Brain Lesions Flashcards
Where is the lesion?
sensory inattention
apraxias
astereognosis (tactile agnosia)
inferior homonymous quadrantanopia
Gerstmann’s syndrome (lesion of dominant parietal): alexia, acalculia, finger agnosia and right-left disorientation
Parietal Lobe
Where is the lesion?
homonymous hemianopia (with macula sparing)
cortical blindness
visual agnosia
Occipital Lobe
Where is the lesion?
Wernicke’s aphasia
superior homonymous quadrantanopia
auditory agnosia
prosopagnosia (difficulty recognising faces)
Temporal Lobe
Where is the lesion?
Broca’s aphasia
disinhibition
perseveration
anosmia
inability to generate a list
Frontal Lobe
Where is the lesion?
midline lesions: gait and truncal ataxia
hemisphere lesions: intention tremor, past pointing, dysdiadokinesis, nystagmus
Cerebellum
Condition associated with Medial thalamus and mammillary bodies of the hypothalamus
Wernicke and Korsakoff syndrome
Condition associated with Subthalamic nucleus of the basal ganglia
Hemiballism
Condition associated with
Striatum (caudate nucleus) of the basal ganglia
Huntington chorea
Condition associated with Substantia nigra of the basal ganglia
Parkinson’s disease
Condition associated with the amygdala
Kluver-Bucy syndrome
hypersexuality, hyperorality, hyperphagia, visual agnosia