language

Aphasia

- Deficit in language comprehension/production from brain damage(left hemisphere)

Apraxia

- Difficulty performing movements out of context (left hemisphere)

Corpus Callosum-

Major connector between hemispheres-Split brain when cut

Massa Intermedia

- Connects 2 sides of thalamus

Anterior Commissure-

Connects 2 temporal lobes

Split brain patients

-Left: Language tasks, learning where rule finding/context matters-Right: Spatial ability, emotion perception, musical ability, 2D/3D

Analytic synthetic theory-

Analytic (left), synthetic (right)-untestable

Motor Theory-

Fine movements like speech (left),

Linguistic Theory-

Language (left), Others grouped around that

Wernicke-Geschwind Model

-Left hemisphere- Brocas (Primary Motor Cortex)Language production-Damage=Deficit in speech production (expressive aphasia). Normal comprehension/speech awkward

(receptive aphasia)

Damage to Wernicke's area produces deficits in comprehension of speech? Patients produce a meaningless �word salad�

(Expressive aphasia)

Damage to Broca's area produces deficits in speech production ? The patient has normal comprehension, and their speech is meaningful but awkward

(conduction aphasia)

Damage to Arcuate fasciculus (connects broca /wernicke)� inability to repeat

alexia and agraphia

Damage to Left Angular GyrusAlexia- (inability to read)Agraphia- (inability to write)

Anterior damage

= expressive deficits

Posterior damage

=receptive deficits