Brain
Injury Glossary
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Magnetic Resonance Imaging (MRI)
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.
Memory, Episodic
Memory for ongoing events in a person's life. More easily
impaired than semantic memory, perhaps because rehearsal or
repetition tends to be minimal.
Memory, Immediate
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.
Memory, Long Term
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.
Memory, Short Term
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.
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.
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.
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