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The Brain Injury Glossary was edited by L. Don Lehmkuhl, PhD, of the Texas Medical Center. Copyright 1992, HDI Publishers. Reprinted with permissions. Third-party reprints prohibited.

Abstract Concept

A concept or idea not related to any specific instance or object and which potentially can be applied to many different situations or objects. Persons with cognitive deficits often have difficulty understanding abstract concepts.

Abstract Thinking

Being able to apply abstract concepts to new situations and surroundings.

Acquired Brain Injury

The implication of this term is that the individual experienced normal growth and development from conception through birth, until sustaining an insult to the brain at some later time which resulted in impairment of brain function.

Acute Care

The phase of managing health problems which is conducted in a hospital on patients needing medical attention.

Acute Rehabilitation

Based in a medical facility; accepts patient as soon as medically stable; focuses on intensive physical and cognitive restorative services in early months after injury; typical length of stay one week to several months (short term); identifiable team and program with specialized unit.

Acute Rehabilitation Program

Primary emphasis is on the early phase of rehabilitation which usually begins as soon as the patient is medically stable. The program is designed to be comprehensive and based in a medical facility with a typical length of stay of 1-3 months. Treatment is provided by an identifiable team in a designated unit.

Adaptive Equipment

A special device which assists in the performance of self-care, work or play/leisure activities or physical exercise.

ADL

Activities of daily living. Routine activities carried out for personal hygiene and health (including bathing, dressing, feeding) and for operating a household.
 

Affect

The observable emotional condition of an individual at any given time.

Agnosia

Failure to recognize familiar objects although the sensory mechanism is intact. May occur for any sensory modality.

Agraphia

Inability to express thoughts in writing.

Alexia

Inability to read.

Alternative Communication

Use of forms of communication other than speaking, such as: sign language, "yes, no" signals, gestures, picture board, and computerized speech systems to compensate (either temporarily or permanently) for severe expressive communication disorders.

Ambulate

To walk.

Amnesia

Lack of memory about events occurring during a particular period of time.

Aneurysm

A balloon-like deformity in the wall of a blood vessel. The wall weakens as the balloon grows larger, and may eventually burst, causing a hemorrhage.

Anomia

Inability to recall names of objects. Persons with this problem often can speak fluently but have to use other words to describe familiar objects. See also parietal lobe.

Anosmia

Loss of the sense of smell

Anoxia

A lack of oxygen. Cells of the brain need oxygen to stay alive. When blood flow to the brain is reduced or when oxygen in the blood is too low, brain cells are damaged.

Anterograde Amnesia

Inability to consolidate information about ongoing events. Difficulty with new learning.

Anticonvulsant

Medication used to decrease the possibility of a seizure (e.g., Dilantin, Phenobarbital, Mysoline, Tegretol).

Antidepressants

Medication used to treat depression.

Aphasia

Loss of the ability to express oneself and/or to understand language. Caused by damage to brain cells rather than deficits in speech or hearing organs.

Apraxia

Inability to carry out a complex or skilled movement; not due to paralysis, sensory changes, or deficiencies in understanding.

Arousal

Being awake. Primitive state of alertness managed by the reticular activating system (extending from medulla to the thalamus in the core of the brain stem) activating the cortex. Cognition is not possible without some degree of arousal.

Articulation

Movement of the lips, tongue, teeth and palate into specific patterns for purposes of speech. Also, a movable joint.

Aspiration

When fluid or food enters the lungs through the wind pipe. Can cause a lung infection or pneumonia.

Assistive Equipment

A special device which assists in the performance of self-care, work or play/leisure activities or physical exercise.

Astereognosia

Inability to recognize things by touch.

Ataxia

A problem of muscle coordination not due to apraxia, weakness, rigidity, spasticity or sensory loss. Caused by lesion of the cerebellum or basal ganglia. Can interfere with a person's ability to walk, talk, eat, and to perform other self care tasks.

Atrophy

A wasting away or decrease in size of a cell, tissue, organ, or part of the body caused by lack of nourishment, inactivity or loss of nerve supply.

Attention

The ability to focus on a given task or set of stimuli for an appropriate period of time.

Audiologist

One who evaluates hearing defects and who aids in the rehabilitation of those who have such defects.

Augmentative Communication

Use of forms of communication other than speaking, such as: sign language, "yes, no" signals, gestures, picture board, and computerized speech systems to compensate (either temporarily or permanently) for severe expressive communication disorders.

Balance

The ability to use appropriate righting and equilibrium reactions to maintain an upright position. It is usually tested in sitting and standing positions.

Behavior

The total collection of actions and reactions exhibited by a person.

Behavior Disorders

For the patient exhibiting patterns of behavior preventing participation in active rehabilitation, including destructive patient behavior to self and others; continuum of controlled settings.

Bilateral

Pertaining to both right and left sides.

Brain Plasticity

The ability of intact brain cells to take over functions of damaged cells; plasticity diminishes with maturation.

Brain Scan

An imaging technique in which a radioactive dye (radionucleide) is injected into the blood stream and then pictures of the brain are taken to detect tumors, hemorrhages, blood clots, abscesses or abnormal anatomy.

Brain Stem

The lower extension of the brain where it connects to the spinal cord. Neurological functions located in the brain stem include those necessary for survival (breathing, heart rate) and for arousal (being awake and alert).

CARF

Commission on Accreditation of Rehabilitation Facilities

Case Management

Facilitating the access of a patient to appropriate medical, rehabilitation and support programs, and coordination of the delivery of services. This role may involve liaison with various professionals and agencies, advocacy on behalf of the patient, and arranging for purchase of services where no appropriate programs are available

Catheter

A flexible tube for withdrawing fluids from, or introducing fluids into, a cavity of the body. Frequently used to drain the urinary bladder (Foley catheter).

Cerebellum

The portion of the brain (located at the back) which helps coordinate movement. Damage may result in ataxia.

Cerebral-spinal Fluid

Liquid which fills the ventricles of the brain and surrounds the brain and spinal cord.

Chronic

Marked by long duration or frequent recurrence.

Circumlocution

Use of other words to describe a specific word or idea which cannot be remembered.

Client

A person under the protection of another; one who engages the professional advice or services of another.

Clonus

A sustained series of rhythmic jerks following quick stretch of a muscle.

Closed Brain Injury

Occurs when the head accelerates and then rapidly decelerates or collides with another object (for example the windshield of a car) and brain tissue is damaged, not by the presence of a foreign object within the brain, but by violent smashing, stretching, and twisting, of brain tissue. Closed brain injuries typically cause diffuse tissue damage that results in disabilities which are generalized and highly variable.

Cognition

The conscious process of knowing or being aware of thoughts or perceptions, including understanding and reasoning.

Cognitive Rehabilitation

Therapy programs which aid persons in the management of specific problems in perception, memory, thinking and problem solving. Skills are practiced and strategies are taught to help improve function and/or compensate for remaining deficits. The interventions are based on an assessment and understanding of the person's brain-behavior deficits and services are provided by qualified practitioners.

Coma

A state of unconsciousness from which the patient cannot be awakened or aroused, even by powerful stimulation; lack of any response to one's environment. Defined clinically as an inability to follow a one-step command consistently; Glasgow Coma Scale score of 8 or less.

Communicative Disorder

An impairment in the ability to 1) receive and/or process a symbol system, 2) represent concepts or symbol systems, and/or 3) transmit and use symbol systems. The impairment may be observed in disorders of hearing, language, and/or speech processes.

Community Integration Program

Provides services designed to accomplish functional outcomes focused on home and community integration, including productive activity. Services may be provided in residential facilities, day treatment programs, the consumer's home. They may be of short-term (several weeks) or long-term duration (several months).

Community Skills

Those abilities needed to function independently in the community. They may include: telephone skills, money management, pedestrian skills, use of public transportation, meal planning and cooking.

Comprehension

Understanding of spoken, written, or gestural communication.

Computerized Axial Tomography

A series of X-rays taken at different levels of the brain that allows the direct visualization of the skull and intracranial structures. A scan is often taken soon after the injury to help decide if surgery is needed. The scan may be repeated later to see how the brain is recovering.

Concentration

The ability to focus on a given task or set of stimuli for an appropriate period of time.

Concrete Thinking

A style of thinking in which the individual sees each situation as unique and is unable to generalize from the similarities between situations. Language and perceptions are interpreted literally so that a proverb such as "a stitch in time saves nine" cannot be readily grasped

Concussion

The common result of a blow to the head or sudden deceleration usually causing an altered mental state, either temporary or prolonged. Physiologic and/or anatomic disruption of connections between some nerve cells in the brain may occur. Often used by the public to refer to a brief loss of consciousness.

Confabulation

Verbalizations about people, places, and events with no basis in reality. May be a detailed account delivered.

Confusion

A state in which a person is bewildered, perplexed, or unable to self-orient.

Conjugate Movement

Both eyes move simultaneously in the same direction. Convergence of the eyes toward the midline (crossed eyes) is a disconjugate movement.

Contracture

Loss of range of motion in a joint due to abnormal shortening of soft tissues.

Contrecoup

Bruising of brain tissue on the side opposite where the blow was struck.

Convergence

Movement of two eyeballs inward to focus on an object moved closer. The nearer the object, the greater is the degree of convergence necessary to maintain single vision.

Cortical Blindness

Loss of vision resulting from a lesion of the primary visual areas of the occipital lobe. Light reflex is preserved.

CSF

Liquid which fills the ventricles of the brain and surrounds the brain and spinal cord.

CT Scan

A series of X-rays taken at different levels of the brain that allows the direct visualization of the skull and intracranial structures. A scan is often taken soon after the injury to help decide if surgery is needed. The scan may be repeated later to see how the brain is recovering.

DAI

Diffuse Axonal Injury: A shearing injury of large nerve fibers (axons covered with myelin) in many areas of the brain. It appears to be one of the two primary lesions of brain injury, the other being stretching or shearing of blood vessels from the same forces, producing hemorrhage.

Decubitus

Pressure area, bed sore, skin opening, skin breakdown. A discolored or open area of skin damage caused by pressure. Common areas most prone to breakdown are buttocks or backside, hips, shoulder blades, heels, ankles and elbows.

Diffuse Axonal Injury

A shearing injury of large nerve fibers (axons covered with myelin) in many areas of the brain. It appears to be one of the two primary lesions of brain injury, the other being stretching or shearing of blood vessels from the same forces, producing hemorrhage.

Diffuse Brain Injury

Injury to cells in many areas of the brain rather than in one specific location.

Discipline

When referring to health care or education it means a particular field of study, such as medicine, occupational therapy, nursing, recreation therapy or others.

Disinhibition

Inability to suppress (inhibit) impulsive behavior and emotions.

Disorientation

Not knowing where you are, who you are, or the current date. Health professionals often speak of a normal person as being oriented "times three" which refers to person, place and time.

Dysarthria

Difficulty in forming words or speaking them because of weakness of muscles used in speaking or because of disruption in the neuromotor stimulus patterns required for accuracy and velocity of speech.

Dysphagia

A swallowing disorder characterized by difficulty in oral preparation for the swallow, or in moving material from the mouth to the stomach. This also includes problems in positioning food in the mouth.

Edema

Collection of fluid in the tissue causing swelling.

EEG

Electroencephalogram: A procedure that uses electrodes on the scalp to record electrical activity of the brain. Used for detection of epilepsy, coma, and brain death.

Electroencephalogram

A procedure that uses electrodes on the scalp to record electrical activity of the brain. Used for detection of epilepsy, coma, and brain death.

Electromyography

An insertion of needle electrodes into muscles to study the electrical activity of muscle and nerve fibers. It may be somewhat painful to the patient. Helps diagnose damage to nerves or muscles.

EMG

Electromyography: An insertion of needle electrodes into muscles to study the electrical activity of muscle and nerve fibers. It may be somewhat painful to the patient. Helps diagnose damage to nerves or muscles.

Emotional Lability

Exhibiting rapid and drastic changes in emotional state (laughing, crying, anger) inappropriately without apparent reason.

Endotracheal Tube

A tube that serves as an artificial airway and is inserted through the patient's mouth or nose. It passes through the throat and into the air passages to help breathing. To do this it must also pass through the patient's vocal cords. The patient will be unable to speak as long as the endotracheal tube is in place. It is this tube that connects the respirator to the patient.

Episodic Memory

Memory for ongoing events in a person's life. More easily impaired than semantic memory, perhaps because rehearsal or repetition tends to be minimal.

Evoked Potential

Registration of the electrical responses of active brain cells as detected by electrodes placed on the surface of the head at various places. The evoked potential, unlike the waves on an EEG, is elicited by a specific stimulus applied to the visual, auditory or other sensory receptors of the body. Evoked potentials are used to diagnose a wide variety of central nervous system disorders.

Extremity

Arm or leg.

Figure-Ground

The differentiation between the foreground and the background of a scene; this refers to all sensory systems, including vision, hearing, touch

Flaccid

Lacking normal muscle tone; limp.

Flexion

Bending a joint.

Foley Catheter

This is a tube inserted into the urinary bladder for drainage of urine. The urine drains through the tube and collects into a plastic bag.

Frontal Lobe

Front part of the brain; involved in planning, organizing, problem solving, selective attention, personality and a variety of "higher cognitive functions."

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Frustration Tolerance

The ability to persist in completing a task despite apparent difficulty. Individuals with a poor frustration tolerance will often refuse to complete tasks which are the least bit difficult. Angry behavior, such as yelling or throwing things while attempting a task is also indicative of poor frustration tolerance.

Gainful Occupation

Includes employment in the competitive labor market, practice of a profession, farm or family work (including work for which payment is "in kind" rather than in cash), sheltered employment, work activity (to the extent that there is net pay), and home industries or other home-bound work.

Gait Training

Instruction in walking, with or without equipment; also called "ambulation training."

GI Tube

A tube inserted through a surgical opening into the stomach. It is used to introduce liquids, food, or medication into the stomach when the patient is unable to take these substances by mouth.

Glasgow Coma Scale

A standardized system used to assess the degree of brain impairment and to identify the seriousness of injury in relation to outcome. The system involves three determinants: eye opening, verbal responses and motor response all of which are evaluated independently according to a numerical value that indicates the level of consciousness and degree of dysfunction. Scores run from a high of 15 to a low of 3. Persons are considered to have experienced a 'mild' brain injury when their score is 13 to 15. A score of 9 to 12 is considered to reflect a 'moderate' brain injury and a score of 8 or less reflects a 'severe' brain injury.

More information on the Glasgow Coma Scale.

Head Injury

Refers to an injury of the head and/or brain, including lacerations and contusions of the head, scalp and/or forehead.

Hematoma

The collection of blood in tissues or a space following rupture of a blood vessel. Regarding Brain:
Epidural--Outside the brain and its fibrous covering, the dura, but under the skull.
Subdural--Between the brain and its fibrous covering (dura).
Intracerebral--In the brain tissue.
Subarachnoid--Around the surfaces of the brain, between the dura and arachnoid membranes.

Hemianopsia Hemianopia

Visual field cut. Blindness for one half of the field of vision. This is not the right or left eye, but the right or left half of vision in each eye. See also vision after head injury.

Hemiparesis

Weakness of one side of the body.

Hydrocephalus

Enlargement of fluid-filled cavities in the brain, not due to brain atrophy.

Hypoxia

Insufficient oxygen reaching the tissues of the body.

ICP

Intracranial Pressure: Cerebrospinal fluid (CSF) pressure measured from a needle or bolt introduced into the CSF space surrounding the brain. It reflects the pressure inside of the skull.

Immediate Memory

The ability to recall numbers, pictures, or words immediately following presentation. Patients with immediate memory problems have difficulty learning new tasks because they cannot remember instructions. Relies upon concentration and attention.

Impulse Control

Refers to the individual's ability to withhold inappropriate verbal or motor responses while completing a task. Persons who act or speak without first considering the consequences are viewed as having poor impulse control.

Incontinent

Inability to control bowel and bladder functions. Many people who are incontinent can become continent with training.

Independent Living

Community-based to maximize a person's ability to be empowered and self-directed; allows an individual to live in one's own home with maximum personal control over how services are delivered, combined with the opportunity to work as appropriate.

Initiative

Refers to the individual's ability to begin a series of behaviors directed toward a goal.

Intention Tremor

Course, rhythmical movements of a body part that become intensified the harder one tries to control them.

Interdisciplinary Approach

A method of diagnosis, evaluation, and individual program planning in which two or more specialists, such as medical doctors, psychologists, recreational therapists, social workers, etc., participate as a team, contributing their skills, competencies, insights, and perspectives to focus on identifying the developmental needs of the person with a disability and on devising ways to meet those needs.

Intracranial Pressure

Cerebrospinal fluid (CSF) pressure measured from a needle or bolt introduced into the CSF space surrounding the brain. It reflects the pressure inside of the skull.

Jargon

Spoken language that has a normal rate and rhythm but is full of nonsense words.

Job Analysis

Involves the systematic study of an occupation in terms of what the worker does in relation to data, people, and things; the methods and techniques employed, the machines, tools, equipment, and work aids used; the materials, products, subject matter or services which result, and the traits required of the worker.

Kinesthesia

The sensory awareness of body parts as they move (see Position Sense and Proprioception).

Lability

State of having notable shifts in emotional state (e.g., uncontrolled laughing or crying).

Lifelong Living

For persons discharged from rehabilitation who need ongoing lifetime supports; located in residential or skilled nursing environment; structured activities available on individual and group basis.

Locked-in Syndrome

A condition resulting from interruption of motor pathways in the ventral pons, usually by infarction. This disconnection of the motor cells in the lower brain stem and spinal cord from controlling signals issued by the brain leaves the patient completely paralyzed and mute, but able to receive and understand sensory stimuli; communication may be possible by code using blinking, or movements of the jaw or eyes, which can be spared.

Long Term Memory

In neuropsychological testing, this refers to recall thirty minutes or longer after presentation. Requires storage and retrieval of information which exceeds the limit of short term memory.

Magnetic Resonance Imaging

A type of diagnostic radiography using electromagnetic energy to create an image of soft tissue, central nervous system and musculoskeletal systems.

Malingering

To pretend inability so as to avoid duty or work.

Mild Brain Injury

A patient with a mild traumatic brain injury is a person who has had a traumatically-induced physiological disruption of brain function, as manifested by at least one of the following: 1) any period of loss of consciousness, 2) any loss of memory for events immediately before or after the accident, 3) any alteration in mental state at the time of the accident (e.g., feeling dazed, disoriented, or confused), 4) focal neurological deficit(s) which may or may not be transient; but where the severity of the injury does not exceed the following: a) loss of consciousness of approximately 30 minutes or less; b) after 30 minutes, an initial Glasgow Coma Scale score of 13-15; c) Post Traumatic Amnesia not greater than 24 hours.

Money Management

Ability to distinguish the different denominations of money, count money, make change, budget.

Motor Control

Regulation of the timing and amount of contraction of muscles of the body to produce smooth and coordinated movement. The regulation is carried out by operation of the nervous system.

Motor Planning

Action formulated in the mind before attempting to perform.

MRI

Magnetic Resonance Imaging: A type of diagnostic radiography using electromagnetic energy to create an image of soft tissue, central nervous system and musculoskeletal systems.

Muscle Tone

Used in clinical practice to describe the resistance of a muscle to being stretched. When the peripheral nerve to a muscle is severed, the muscle becomes flaccid (limp). When nerve fibers in the brain or spinal cord are damaged, the balance between facilitation and inhibition of muscle tone is disturbed. The tone of some muscles may become increased and they resist being stretched--a condition called hypertonicity or spasticity.

Nasogastric Tube

A tube that passes through the patient's nose and throat and ends in the patient's stomach. This tube allows for direct "tube feeding" to maintain the nutritional status of the patient or removal of stomach acids.

Neuropsychologist

A psychologist who specializes in evaluating (by tests) brain/behavior relationships, planning training programs to help the survivor of brain injury return to normal functioning and recommending alternative cognitive and behavioral strategies to minimize the effects of brain injury. Often works closely with schools and employers as well as with family members of the injured person.

NG Tube

Nasogastric Tube: A tube that passes through the patient's nose and throat and ends in the patient's stomach. This tube allows for direct "tube feeding" to maintain the nutritional status of the patient or removal of stomach acids.

Non-ambulatory

Not able to walk.

Nystagmus

Involuntary horizontal, vertical, or rotary movement of the eyeballs. See also vision after head injury.

Occipital Lobe

Region in the back of the brain which processes visual information. Damage to this lobe can cause visual deficits.

Occupational Therapy

Occupational Therapy is the therapeutic use of self-care, work and play activities to increase independent function, enhance development and prevent disability; may include the adaptation of a task or the environment to achieve maximum independence and to enhance the quality of life. The term occupation, as used in occupational therapy, refers to any activity engaged in for evaluating, specifying and treating problems interfering with functional performance.

Orientation

Awareness of one's environment and/or situation, along with the ability to use this information appropriately in a functional setting.

Orthopedics

The branch of medicine devoted to the study and treatment of the skeletal system, its joints, muscles and associated structures.

Outpatient

The patient residing outside the hospital but returning on a regular basis for one or more therapeutic services.

Paraplegia

Paralysis of the legs (from the waist down).

Parietal Lobe

One of the two parietal lobes of the brain located behind the frontal lobe at the top of the brain.

Perception

The ability to make sense of what one sees, hears, feels, tastes or smells. Perceptual losses are often very subtle, and the patient and/or family may be unaware of them.

Perseveration

The inappropriate persistence of a response in a current task which may have been appropriate for a former task. Perseverations may be verbal or motoric.

Persistent Vegetative State

A long-standing condition in which the patient utters no words and does not follow commands or make any response that is meaningful.

Physiatrist

Pronounced Fizz ee at' rist. A physician who specializes in physical medicine and rehabilitation. Some physiatrists are experts in neurologic rehabilitation, trained to diagnose and treat disabling conditions. The physiatrist examines the patient to assure that medical issues are addressed; provides appropriate medical information to the patient, family members and members of the treatment team. The physiatrist follows the patient closely throughout treatment and oversees the patient's rehabilitation program.

Physical Therapist

The physical therapist evaluates components of movement, including: muscle strength, muscle tone, posture, coordination, endurance, and general mobility. The physical therapist also evaluates the potential for functional movement, such as ability to move in the bed, transfers and walking and then proceeds to establish an individualized treatment program to help the patient achieve functional independence.

Plasticity

The ability of cellular or tissue structures and their resultant function to be influenced by an ongoing activity.

Plateau

A temporary or permanent leveling off in the recovery process.

Post Traumatic Amnesia

A period of hours, weeks, days or months after the injury when the patient exhibits a loss of day-to-day memory. The patient is unable to store new information and therefore has a decreased ability to learn. Memory of the PTA period is never stored, therefore things that happened during that period cannot be recalled. May also be called Anterograde Amnesia.

Postacute Rehabilitation

Are programs designed to provide intensive, 24-hour rehabilitation to improve cognitive, physical, emotional, and psychosocial abilities, to facilitate better independent living skills. Facilities typically provide a full spectrum of clinical therapies, as well as life-skills training in a residential setting.

Pre-Morbid Condition

Characteristics of an individual present before the disease or injury occurred.

Problem-Solving Skill

Ability to consider the probable factors that can influence the outcome of each of various solutions to a problem, and to select the most advantageous solution. Individuals with deficits in this skill may become "immobilized" when faced with a problem. By being unable to think of possible solutions, they may respond by doing nothing.

Prognosis

The prospect as to recovery from a disease or injury as indicated by the nature and symptoms of the case.

Prone

1. Having a natural inclination or tendency to something.

2. Lying on one's stomach.

Proprioception

The sensory awareness of the position of body parts with or without movement. Combination of kinesthesia and position sense.

Psychologist

A professional specializing in counselling, including adjustment to disability. Psychologists use tests to identify personality and cognitive functioning. This information is shared with team members to assure consistency in approaches. The psychologist may provide individual or group psychotherapy for the purpose of cognitive retraining, management of behavior and the development of coping skills by the patient/client and members of the family.

PTA

Post Traumatic Amnesia: A period of hours, weeks, days or months after the injury when the patient exhibits a loss of day-to-day memory. The patient is unable to store new information and therefore has a decreased ability to learn. Memory of the PTA period is never stored, therefore things that happened during that period cannot be recalled. May also be called Anterograde Amnesia.

PVS

Persistent Vegetative State: A long-standing condition in which the patient utters no words and does not follow commands or make any response that is meaningful.

Range of Motion

Refers to movement of a joint (important to prevent contractures).

Recreation Therapist

Individual within the facility responsible for developing a program to assist persons with disabilities plan and manage their leisure activities; may also schedule specific activities and coordinate the program with existing community resources.

Rehabilitation

Comprehensive program to reduce/overcome deficits following injury or illness, and to assist the individual to attain the optimal level of mental and physical ability.

Rehabilitation Counselor

Also called Vocational Counselor. A specialist in social and vocational issues who helps the patient develop the skills and aptitudes necessary for return to productive activity and the community.

Rehabilitation Facility

Agency of multiple, coordinated services designed to minimize for the individual the disabling effects of one's physical, mental, social, and/or vocational difficulties and to help realize individual potential.

Rehabilitation Nurse

A nurse specializing in rehabilitation techniques as well as basic nursing care. Nurses assist the patient and family in acquiring new information, developing skills, achieving competence and exhibiting behaviors that contribute to the attainment of a healthy state.

Residential Services

Assumes a 24-hour residential environment outside the home and includes 24-hour provision of or access to support personnel capable of meeting the client's needs. (Adopted by the PostAcute Committee of ISIG on Head Injury October 28, 1991.)

Retrograde Amnesia

Inability to recall events that occurred prior to the accident; may be a specific span of time or type of  information.

ROM

Range of Motion: Refers to movement of a joint (important to prevent contractures).

Seizure

An uncontrolled discharge of nerve cells which may spread to other cells nearby or throughout the entire brain. It usually lasts only a few minutes. It may be associated with loss of consciousness, loss of bowel and bladder control and tremors. May also cause aggression or other behavioral change.

Sensation

Feeling stimuli which activate sensory organs of the body, such as touch, temperature, pressure and pain

Sensorimotor

Refers to all aspects of movement and sensation and the interaction of the two.

Sensory Integration

Interaction of two or more sensory processes in a manner that enhances the adaptiveness of the brain.

Sequencing

Reading, listening, expressing thoughts, describing events or contracting muscles in an orderly and meaningful manner.

Short Term Memory

Primary or 'working' memory; its contents are in conscious awareness. A limited capacity system that holds up to seven chunks of information over periods of 30 seconds to several minutes, depending upon the person's attention to the task.

Shunt

A procedure to draw off excessive fluid in the brain. A surgically-placed tube running from the ventricles which deposits fluid into either the abdominal cavity, heart or large veins of the neck.

Spasticity

An involuntary increase in muscle tone (tension) that occurs following injury to the brain or spinal cord, causing the muscles to resist being moved. Characteristics may include increase in deep tendon reflexes, resistance to passive stretch, clasp knife phenomenon, and clonus.

Speech-language Pathology Services

A continuum of services including prevention, identification, diagnosis, consultation, and treatment of patients regarding speech, language, oral and pharyngeal sensorimotor function.

Subacute

May follow a period of acute rehabilitation; not necessarily hospital based; typical length of rehabilitation stay 6-24 months (short to intermediate term); stay based on demonstrated improvement; identifiable team and program with specialized unit.

Subdural

Beneath the dura (tough membrane) covering the brain and spinal cord.

Supervised Living

Setting is a home which is like other homes in the neighborhood in terms of size and number of residents. Consumers are provided individualized care, supervision, support and training services to maximize and/or maintain function and self-direction. Staff is present at night and other times when the consumer is present.

Supine

Lying on one's back.

Supported Independent Living

Setting is a home chosen by the consumer who is primarily independent. Program offers support to assist the resident in maximizing and/or maintaining independence and self-direction. Staff is available as needed and at planned intervals to offer assistance and support but not to provide supervision

Tactile Defensiveness

Being overly sensitive to touch; withdrawing, crying, yelling or striking when one is touched.

TBI

Traumatic Brain Injury

Temporal Lobes

There are two temporal lobes, one on each side of the brain located at about the level of the ears. These lobes allow a person to tell one smell from another and one sound from another. They also help in sorting new information and are believed to be responsible for short-term memory.
Right Lobe--Mainly involved in visual memory (i.e., memory for pictures and faces).
Left Lobe--Mainly involved in verbal memory (i.e., memory for words and names).

Tracheostomy

A temporary surgical opening at the front of the throat providing access to the trachea or windpipe to assist in breathing.

Transitional Living

Non-medical residential program providing training for living in a setting of greater independence. The primary focus is on teaching functional skills and compensating for abilities that cannot be restored.

Traumatic Brain Injury

Damage to living brain tissue caused by an external, mechanical force. It is usually characterized by a period of altered consciousness (amnesia or coma) that can be very brief (minutes) or very long (months/indefinitely). The specific disabling condition(s) may be orthopedic, visual, aural, neurologic, perceptive/cognitive, or mental/emotional in nature. The term does not include brain injuries that are caused by insufficient blood supply, toxic substances, malignancy, disease-producing organisms, congential disorders, birth trauma or degenerative processes.

Unilateral Neglect

Paying little or no attention to things on one side of the body. This usually occurs on the side opposite from the location of the injury to the brain because nerve fibers from the brain typically cross before innervating body structures. In extreme cases, the patient may not bathe, dress or acknowledge one side of the body.

Verbal Apraxia

Impaired control of proper sequencing of muscles used in speech (tongue, lips, jaw muscles, vocal cords). These muscles are not weak but their control is defective. Speech is labored and characterized by sound reversals, additions and word approximations.

Vestibular

Pertaining to the vestibular system in the middle ear and the brain which senses movements of the head. Disorders of the vestibular system can lead to dizziness, poor regulation of postural muscle tone and inability to detect quick movements of the head.

Visual Tracking

Visually following an object as it moves through space. See also vision after head injury.

Vocational Evaluation

An organized and comprehensive service staffed by specialists who systematically and comprehensively utilize work activities (real or simulated) and/or educational services as the focal point for educational and vocational assessment and exploration. In addition, psychological testing, counseling, social summaries, occupational information, etc., are other evaluation tools that are used. It incorporates the medical, psychological, social, vocational, educational, cultural, and economic data for establishment and attainment of individual goals.


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