Agnosia, Apraxia, Aphasia

loss of ability to recognize objects when appropriate sensory systems function properly

agnosia

four types of agnosia

visual, tactile, auditory, prosopagnosia

what is prosopagnosia

inability to recognize faces due to damage to fusiform gyrus

loss of ability to carry out certain movements in response to stimuli that normally elicits these movements

apraxia

describe ideomotor apraxia

can't perform task on command, can't mirror tasks

describe ideational apraxia

understand movement idea but don't know the correct tool for the movement

describe kinetic apraxia

inability to execute fine motor acquired movements

describe gait apraxia

difficulty initiating/continuing movements needed for walking

describe apraxia of speech

difficulty stringing syllables together in appropriate order

loss of ability to produce or comprehend language

aphasia

describe expressive aphasia/Broca's aphasia

inability to produce speech

describe receptive aphasia/Wernicke's aphasia

inability to comprehend speech; words come easily but are devoid of meaning

describe global aphasia

complete loss of language

describe conduction aphasia

interruption to connections linking the Broca and Wernicke areas leading to difficulty translating what someone has said into appropriate reply