Language and speech

Brocas area:

language and speech production (frontal cortex)

Wernickes

understanding of written and spoken language

Arcuate fascuaous

connects wernickes and broca (both on left side of brain)

FOXP2

orofacial disorder

• learn but not good at expressing themselves

Aphasias: Broca

slow, laboriuos, non-fluent speech

“know what they wanna say but can’t say it”

Brocas aphasia is lesion to the

left posterior frontal lobe (motor planning deficits)

Dysarthia

inability to move the muscles, that mediate speech

• mouth

• tongue

• pharyx

Wernickes area

understanding of written and spoken language

Sensory receptive aphasia - language comprehension

meaningless, thought don’t go into words

inability to convert thoughts into words

speech is phonetically and grammatcially correct with no meaning

Conduction Aphasia

• meaningful fluent speech

• good comprehension

• very poor repetition

Conduction aphasia is lesion to the

arcuate fascius

• disruption of transferring of auditory info

speech is lateralized

to the left hemishphere

Split brain patients

go through trensection of the corpus colllasum and anterior commisure

treatment for eilepsy

right hand or visual feild (left hem)

able ti name object

left hand or visual feild (right hem)

problem naming object

sterognosis

breif exposure in 1 of the visusl feilds

cortical area within syvial fissure

by auditory cortex