Term
| apraxia occurs from lesion occuring where? |
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Definition
| premotor areas 6 and 8 or in region of cortex where all lobes come together |
|
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Term
|
Definition
| inability to perform purposeful movements. When asked, patient could not touch nose, but can touch nose if it itches |
|
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Term
|
Definition
inability to recognize common objects. visual cortex is intact.
They use other senses to identify-->lemon |
|
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Term
| lesions for Agnosia are found where? |
|
Definition
association cortex located where all lobes come together. bilateral lesion of 17
Lesion usually bilateral |
|
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Term
|
Definition
inability to identify through touch
hand contralateral to lesion can't figure it out |
|
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Term
| lesion of astereognosis is found where? |
|
Definition
| parietal assn. cortex- area 5 and 7 |
|
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Term
| Where is lesion causing Contra neglect syndrome? |
|
Definition
| lesion in right parietal lobe- area 39 and 40 |
|
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Term
| The right parietal lobe has ability to recognize what side of body |
|
Definition
|
|
Term
| the left parietal lobe can recognize what side of body? |
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Definition
|
|
Term
| what is a result of contralateral neglect syndrome? |
|
Definition
| patient does not recognize left side and they often get lost |
|
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Term
| what is the arterial problem in alexia w/o agraphia? what does it supply? |
|
Definition
Infarct in br. of left post. cerebral a.
post. part of corpus callosum and left primary visual cortex |
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Term
| what occurs in alexia w/o agraphia |
|
Definition
person cannot read; even something they just wrote
They have no splenium of corpus callosum |
|
|
Term
| Destruction of left visual cortex prevents objects from being viewed where |
|
Definition
Right visual field; no visual information will reach dominant brain (left)-->speech and writing center
RIGHT HOMONYMOUS HEMIANOPSIA |
|
|
Term
| If hemispheres are separated, with the dominant being left, what happens when objects are placed in right hand? |
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Definition
| objects placed in right hand w/o looking can be named. left-speech area |
|
|
Term
| What about left hand/right hemisphere |
|
Definition
| left hand can identify by palpation of carving of a word and matching it to something written |
|
|
Term
| areas of motor cortex with axial and proximal muslces are |
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Definition
|
|
Term
| This allows us to move our fingers with different motions on one hand |
|
Definition
| interhemispheric connections |
|
|
Term
| what does the left dominant hemisphere control? |
|
Definition
| speech, writing, calculating and moving right hand |
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Term
|
Definition
| inability to see more than one object at a time |
|
|
Term
| Where is the lesion to simultanagnosia found? |
|
Definition
| bilateral posterior parietal cortex |
|
|
Term
| what does balint's syndrome present with? |
|
Definition
psychic paralysis of gaze
optic ataxia
simultanagnosia |
|
|
Term
|
Definition
|
|
Term
|
Definition
| patient denies visual impairment; but is cortically blind |
|
|
Term
| Anton's lesions are where |
|
Definition
| bilateral damage to 17, 18, 19 |
|
|
Term
| Gerstmann's lesions where? |
|
Definition
|
|
Term
| Gerstmann's presents with what? |
|
Definition
| dysgraphia, dyscalculia, finger agnosia, and L/R disorientation |
|
|
Term
| What is apperceptive agnosia? |
|
Definition
| diff in elementary shape procession |
|
|
Term
|
Definition
lesion also can be in inferior temporal lobe
name and non verbal deficit.
can use other senses to name (drawing a key) |
|
|
Term
| Destruction to area 22 of assn. cortex leads to |
|
Definition
occurs in post sup. temporal gyrus
LEFT- WERNICKE'S
RIGHT- dysprosodia |
|
|
Term
| Destruction of area 41 and 42 results in |
|
Definition
|
|
Term
|
Definition
| aphapsia, apraxia, skilled movements |
|
|
Term
|
Definition
|
|
Term
| Distruction of prefrontal cortex |
|
Definition
impaired social behavior
suck and grasp responses
incontinence
mutism |
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