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Perseveration

Repeated movements or acts during functional performance as a result of difficulty in shifting from one response pattern to another; refers inertia on initiation or termination of performance; prefrontal perseveration- repetition of whole actions or action components; premotor perseveration- compulsive repetition of the same movement

Field dependency

Uninhibited adequate and irrelevant stereotypic actions that replace goal directed actions corresponding to specific tasks

Lability

Pathologic emotional instability alternation states of gladnes and sadness, including inappropriate crying

Left unilateral body neglect

Failure to report, respond, or orient to a unilateral stimulus presented to a body side contralateral to a cerebral lesion; can be result of defective sensory processing or attention deficit

Anosognosia

Denial or lack of awareness of a paretic extremity accompanied by lack of insight with regard to the paralysis; paralyzed extremities may be referred to as objects or perceived out of proportion to other body parts

Wernikes aphasia

Focuses on speech reception

wernikes aphasia conceptual definition

Deficit in auditory comprehension of language May affect semantic speech performance ( manifested as paraphsai or nonsensical syllables b/c auditory feedback is impaired repititions

wernicke's aphasia operational defintion

Has difficulty comprehending spoken language Does not understand one or two word commands Does not perform according to verbal instructions

Retrograde amnesia

the inability to use information acquired b/f an injury, illness or the onset of amnesia

Vigilance

the process of paying close and continous attention

Hemianopsia

Damage to optic pathways in brain Can result from acquired brain injuries due to stroke, tumor, or trauma Causes visual loss in half the field * Most common: right homonoymous

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