Lesions Flashcards
ACA
Contralateral sensorimotor loss below waist
Urinary incontinence
Personality defects
Split brain syndrome
PSA
Contralateral homonymous hemianopia
Reading and writing deficits
Impaired memory
Vertebral artery
Contralateral diminished touch and proprioception (body)
Contralateral limb weakness
Babinski sign
Ipsilateral tongue weakness and atrophy
PICA
Contralateral diminished pain and temperature (body)
Ipsilateral diminished pain and temperature (face)
Ipsilateral weak palate
Ipsilateral ataxia
Oculomotor
Down and out eye
Ptosis
Dilated pupil
Trochlear
Up and in position
Head tilt
Can’t look at feet
Abducens
Affected side cannot abduct
Vagus
Uvula moves away from side of lesion
Hypoglossal
Tongue moves towards affected side
Broca’s
Expressive aphasia
Halting speech
Disordered grammar and syntax
Wernicke’s
Receptive aphasia
Fluent speech but meaningless
Arcuate fasciculus
Conductive aphasia
Impaired ability to read back heard to written words
Right Broca’s equivalent
Aprosodia
Robotic, monotonous speech
Right posterior parietal
Contralateral disregard
Optic apraxia - can’t reach for objects
Dyscalculia - can’t count
Piecemental perception - only observe one object at a time
Constructional apraxia - can’t form 3D objects
Bilateral parietal
Balint syndrome
Cant consider whole visual field - simultanagnosia
Can’t fixate the eyes - oculomotor apraxia
Cant reach for objects - optic ataxia
Left inferotemporal
Associative agnosia - cannot name objects
Problems recalling from long term memory
Right inferotemporal
Apperceive agnosia - cannot identify things in unusual rotations
Problems recalling from long term memory
Fusiform gyrus
Prosopagnosia - loss of assigning name to face
Orbitofrontal area
Self control
Decision making
Adhering to social norms
Cerebellum
Ataxia
Hypotonia
Basal ganglia
Hyper/hypokinesia - slow ro unwanted movements
Associative motor cortex
Apraxia - difficulty executing familiar or learned movements
