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Tactile
Having to do with the sense of touch.
Task Analysis
Breaking a complex skill or chain of behaviors into smaller, more workable
units.
Tay-Sachs Disease
A progressive nervous system disorder causing profound mental retardation,
deafness, blindness, paralysis, and seizures; it is usually fatal by age five.
Temporal Lobe
The portion of each hemisphere of the cerebrum that controls hearing and
auditory memory; located in the front of the head, below the frontal lobe.
Thematic Apperception Test
A structured psychological test in which the individual is asked to project
his/her feelings onto a series of drawings or photos.
Thematic Maturity
Ability to write in a logical, organized manner that easily and efficiently
conveys meaning.
Thinking Skills
Refers to the manner in which humans acquire, interpret, organize, store,
retrieve, and employ knowledge.
Time-on-Task
The percentage of time in which a student is on-task or attempting to complete
an educational task.
Time Out
A behavior management technique that involves removing the opportunity for
reinforcement for a specific period of time following an inappropriate behavior;
results in a reduction of the inappropriate behavior.
Time Trials
A fluency-building procedure in which a student performs a new skill as many
times as he/she can during a short period of time; one-minute time trials are
effective for most academic skills.
Token Economy (Token Reinforcement System)
An instructional and behavior management system in which students earn tokens
(i.e. stars, points, stickers) for performing specified behaviors. Students
accumulate their tokens and turn them in at prearranged times for their choice
of activities or items from a menu of rewards.
Topography of Behavior
The physical shape or form of a response.
Total Communication
An approach to educating deaf students that combines oral speech, sign language,
and fingerspelling.
Transition
The change from one educational setting to another; also refers to the shift
from educational endeavors to post-secondary school activities such as work and
community involvement.
Transposition
See Reversals.
Tremor
A type of cerebral palsy characterized by regular, strong, uncontrolled
movements; may cause less overall difficulty in movement than other types of
cerebral palsy.
Triplegia
Paralysis of any three limbs.
Turner’s Syndrome
A chromosomal disorder in females, resulting from an absence of one of the X
chromosomes; lack of secondary sex characteristics, sterility, short stature and
learning difficulties are common.
Tymphonic Membrane
Located in the middle ear, the eardrum moves in and out to variations in sound
pressure, changing acoustical energy to sound energy; also called the eardrum.
*See
Reference Information
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