Higher neural functions Impairment or deficits with damage to cortical regions

Higher neural functions Impairment or deficits with damage to cortical regions

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Higher neural functions Impairment or deficits with damage to cortical regions Frontal Lobe Precentral gyrus: Monoplegia; Hemiplegia Broca’s area: Expressive dysphasia Supplementary motor area/Prefrontal eye fields: Paralysis of head & eye movements to opposite side Prefrontal area: Often bilateral, e.g. infarction from ACA aneurysm, or unilateral in tumour o Orbitofrontal syndrome: Disinhibition, poor judgement, emotional changes o Frontal convexity syndrome: Apathy, indifference, poor abstract thought o Medial frontal syndrome: Akinetic, incontinent, sparse verbal output Prefrontal lesions associated with: o Primitive reflex: Snout/grasp reflex o Disturbance of gait: Gait apraxia o Resistance to passive movements: Paratonia Temporal Lobe Auditory cortex: Cortical deafness Auditory association areas o Dominant: Difficulty in hearing spoken words o Non-dominant: Difficulty in appreciating rhythm/music Wernicke’s area: Receptive dysphasia
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Higher neural functions Impairment or deficits with damage to cortical regions

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