Brain Lesions Flashcards
parietal lobe lesions
- sensory inattention
- apraxias
- astereognosis (tactile agnosia)
- inferior homonymous quadrantanopia
- gerstmann’s syndrome
what is gerstmann’s syndrome?
lesion of dominant parietal
* alexia (inability to comprehend written language)
* acalculia (inability to process numbers or calcuations)
* finger agnosia
* right-left disorientation
occipital lobe lesions
- homonymous hemianopia (with macula sparing)
- cortical blindness
- visual agnosia
temporal lobe lesion
- wernicke’s aphasia
- superior homonymous quadrantanopia
- auditory agnosia
- prosopagnosia (difficulty recognising faces)
frontal lobe lesions
- expressive (brocas) aphasia
- disinhibition
- perservation
- anosmia
- inability to generate a list
cerebellum lesions (midline lesions)
- gait
- truncal ataxia
cerebellum lesions (hemisphere lesions)
- intention tremor
- past pointing
- dysdiadokinesia
- nystagmus
apraxias
parietal lobe
inability to perform motor skills
astereognosis
parietal lobe
tactile agnosia
visual agnosia
occipital lobe
inability to comprehend visual senses
auditory agnosia
temporal lobe
inability to understand sounds
prosopagnosia
temporal lobe
difficulty recognising faces
anosmia
frontal lobe
inability to understand smells
wernicke and korsakoff syndrome
medial thalamus and mammillary bodies of the hypothalamus
hemiballism
subthalamic nucleus of the basal ganglia