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Psych0 Exam 2 110
Swadlow
15
Psychology
Undergraduate 1
11/08/2016

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Cards

Term
Broca's Aphasia
Definition
  • Damage to left frontal lobe (Broca's area)
  • Expressive or productive aphasia - language problem, cant produce language in a fluid way, slow or belabored speech, difficulty writing as well
  • Can understand others
  • Can curse and sing because those are done in the right hemisphere 
  • Theory: Broca's area stores the articulation codes that turn words into muscle actions necessary to produce them
Term
Wernicke's Aphasia
Definition
  • Damage to left temporal lobe (Wernicke's area) near auditory cortex
  • Receptive aphasia - cant understand language 
  • Speech is fluent but it doesnt make any sense
  • Very hard to detect
  • Cant understand themselves or others
  • Theory: Wernicke's area converts sensory anaylasis performed by auditory cortex into meaningful words 
Term
Laterization
Definition

The process of the right and left hemispheres specializing for particulr functions. Babies can recover from aphasias because their brains can lateralize. 

Women are not as lateralized and therefore able to handle aphasias better if there is a tumor on the left side, she loses language on the right side however.

Term
Corpus Callusum
Definition
The middle part of the brain that seperates the two hemispheres
Term
Aphasias
Definition
language disorders due to a brain problem
Term
Hemisphereic specialization
Definition
Looks symmetrical but we know there are asymmetries
Term
Epilepsy
Definition

One "bad apple" can spoil the "barrel"

Strategy: limit information to one hemisphere and see how the information is processed

Term
Visual presentations to...
Definition
contraladeral visual field
Term
somatasensory presentations to...
Definition
contralateral hand
Term
Everything to the left of the midline (left visual field) is projected to the...
Definition
right hemisphere and visa versa
Term

Right hemisphere specializations

 

Definition
  • Spatial relations - facial recognition 
  • Emotional tone 
  • Prosody (patterns of rythm and sound)
  • Yonal memory
Term
Left hemisphere specialization
Definition
  • Analytical
  • Language comphrehention 
  • Academic 
  • Logical
Term
Hemisphereic cooperation and conflict
Definition
When split signals or mixed/confused messages get sent they are confused because they are used to cooperating
Term
How long is the natural cycle for most of us?
Definition
24-25 hours
Term
What are the two theories of why we sleep?
Definition

Restoration theory

Adaptation theory 

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