Disorders of Language Flashcards
what is aphasia?
disturbance in language as a results of brain damage
language versus speech
language produced via:
- speech
- writing
3 causes of aphasia:
- acute:stroke
- insidious: dementia
- paroxysmal: seizures/migraines
Paul Broca started the move towards?
lateralization
% of ppl who are left lateralized?
95% right handers
70% left handers
does right hemisphere have any role in language?
Yes.
Prosody
paralinguistic aspects
2 divisions of MCA?
superior
inferior
inferior MCA supplies?
- temporoparietal cortex
2. visual tracts
superior MCA supplies?
- sensorimotor cortex
2. ventrolateral prefrontal cortex
2 parts of language system is?
- production
2. selection
Non fluent aphasia is problem with? what kind of lesion?
anterior lesion:
prob with production/grammar/structure
Broca’s aphasia called?
non-fluent aphasia
Wernicke’s aphasia called?
fluent aphasia
fluent aphasia is impaired where? with what?
posterior lesion
impaired selection of content
2 areas of in Broca important in language: Pars…
- pars triangularis
2. pars opercularis