Download - Brain lateralization - vision & sensory/motor systems - that why we learn pathways - language
Brain lateralization
- vision & sensory/motor systems- that why we learn pathways
- language- we’ll learn here
- Split Brains
Cerebral lateralization
Left Right
-serial - parallel
-language - faces/ patterns- emotional stuff- music- spatial ability
Language in the Brain
Learn about language?Lesion studies‘Tan’ - famous patient
Broca’s Aphasia- slow labored speech- not fluent - little/no language production- some sing/hum familiar tunes
- use nouns & verbs (essential meaning)- no conjuctions, prepositions, pronouns ( grammar)
The general commands the army.No ifs ands or buts.
Language in the Brain
Broca’s Aphasia
AgrammatismAnomiaArticulation
Language in the Brain
Wernicke’s Aphasia- receptive deficit
Pure word deafness - fail to recognize word (?)recognize emotion, source
Transcortical Sensory Aphasia- language loses meaning- can still repeat- damage - posterior language area
Conduction Aphasia- good comprehension, production- poor repetition- damage - arcuate fasciculus
Language in the Brain
Wernicke’s Aphasia- receptive deficit
Pure word deafness- fail to recognize word (?)recognize emotion, source
Transcortical Sensory Aphasia- language loses meaning- can still repeat- damage - posterior language area
Conduction Aphasia- good comprehension, production- poor repetition- damage - arcuate fasciculus
Aphasia Area Speech Comp Repet Naming
Wernicke’s STG fluent poor poor poor
Broca’s frontal nonfluent good poor? good
Conduction Arc. Fas. fluent good poor good
Transcortical Posterior fluent poor good poorSensory Language
This is really old!!!
Language in the Brain
Anomia revisitied- temporal lobe damage
- pole - proper nouns (people places things)
- inferior temporal- common nouns (categories)
Verbs- frontal- cerebellar
Pure Alexia
Language Development- receptive - productive- speech - written
Language in the Brain
Reading2 types- phonological (phonetic)
- sound it out- learning phase- slow
- graphemic ( whole word, lexical)- recognize word, irregular word
- Chi Chi Rodriguez- epinephrine
- fast, error prone if proofreading
Language in the Brain
Dyslexia- lots of different types
Developmental - won’t coverAquired dyslexias
Surface dyslexia - no whole-word reading
Phonological dyslexia - can not sound out
Word-form dyslexia (letter-by-letter)
Direct dyslexia (deep dyslexia)