PRAXIS: APHASIA II

Alexia

loss of PREVIOUSLY ACQUIRED reading skill due to brain damage

pure alexia

solely a reading problem where writing and other language skills are intact. Often bc of lesion in occipitotemporal region (thought to hold visual-word form area)

Agraphia

loss or impairment of ACQUIRED writing skills due to lesions in foot of medial frontal gyrus (Esner’s writing area)

most common in aphasia/dementia

Agnosia

inability to recognize familiar objects, people, or sound despite having intact sensory function

auditory agnosia

can’t recognize familiar sound

associated with bilateral damage to auditory association areas

auditory verbal agnosia (pure word deafness)

can’t recognize specifically spoken word, normal peripheral hearing, vocalizations, print words, or verbal expression/reading due to bilateral lesions in the temporal lobe region that isolates Wernicke’s

visual agnosia

rare disorder causing impaired visual recognition of objects caused by bilateral occipital/posterior parietal lobe damage

tactile agnosia

impaired tactile recognition of objects when NO visual feedback as well as impaired naming and description of objects in hands caused by