Encoding
Left frontal
Retrieval
Right frontal
Medial temporal
consolidation - permanent memory3
Neglect most often
non-dominant side -
right hemisphere lesion
often parietal
Spatial acalculia
problem with neglect
Patients with cortical basal degeneration have
neglect of right arm - dont use the limb contralateral to lesion - no weakness!!
Where is the lesion in a patient with motor neglect
Striatum (caudate , putamen)
Lateral thalamus
Frontoparietal cortex
when does alien hand syndrome occur?
Coprus callosum surgery for epilepsy -
often right side
Depression can cause cognitive difficulty
oFTEN reversible dementia
and cant tell the difference between BLACK BOARD and blackboard
Aprosodia is
often non-dominant hemisphere
cant convey or interpret emotional
can be motor aprosodia
- OFTEN right sided lesion
Dementia with Lewy bodies often characterized by
Hallucinations
- can be preceded by REM sleep behavior disorders
Semantic dementia
Herpes encephalitis can cause
dense amnesia
Good attention, can concentrate but loss of memory
Prosody
Associated with a left sided aphasia lesion
Severe comprehension problems can still spare
whole body commands
Conduction aphasias characteristics
wernicke’s aphasia
- Fluent speech poor comprehension - pOOR repitition Poor naming POSTERIOR SUPERIOR TEMPORAL GYRUS
BROCA’S aphasia
POSTERIOR INFERIOR FRONTAL LESION
Global aphasia
Transcortical sensory aphasia
Transcortical motor aphasia
Mixed transcortical aphasia
Anomic aphasia