Behavioral Psyc 326 Final pt. 2

38 cards

lalasckl


 
  
Created Dec 9, 2011
by
cjbenassi

 

 
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1
selective breeding
 
only worked if "better" rats that were chosen were bred in a standard environment with the...
2
apoptosis
 
occurs because of Hebbian factors (synaptic pruning) and due to certain neurotrophic factors
3
synaptogenesis
 
creation of synapses (Hebbian rules dictate)
4
stem cell repair
 
difficult in an older brain since they have to travel further distances and the structural...
5
supramarginal gyrus
 
for language
6
DLPFC
 
particularly developed working memory
7
aging effects
 
effects on cortex due to loss of brain tissue, lesions in the cortex make for minor strokes,...
8
HVC
 
high vocal center...doubles in size for the spring
9
thymidine
 
radioactive marker for cell division for birds
10
BrdU
 
radioactive marker for cell division in monkeys
11
down syndrome
 
extra 21st chromosome, smaller hippocampus, frontal cortex/cerebellum...semantic task of recalling...
12
amyloid plaques
 
dead debris outside of neurons that become toxic and begin destroying cells....due to loss...
13
neurofibrillary tangles
 
normqal neurons have a scaffolding supporting them that collapse resulting in knot like structures...due...
14
APOE 
 
variations of gene help push onset of Alsheimer's back.....APOE2-relatively rare and helps...
15
GSTO1
 
"gusto" gene that helps control the brain's inflammatory response and produces gene that may...
16
mmemantine (Namenda)
 
NMDA agonist that slows destruction of Ach neurons by preventing entry of excessive calcium...
17
cognitive reserve
 
the more you know/have learned, the lower the chance of alzheimer's
18
cognitive activity
 
continuous activity delays apoptosis and promotes meaningful neurogenesis
19
phoneme
 
born w ability to learn and recognize 40 phenomes, but whittled down to those employed
20
morpheme
 
meaningful sounds from which we produce words
21
prosody
 
normal cadence of speech
22
transitional probabilities
 
learn to recognize by exposure to combinations of words, words that are usually segmented together
23
stages of language learning
 
perceptual learning phase, babbling stage (subsongs for birds), and language competency stage
24
perceptual learning phase
 
no language recognition but huge attention effort....includes sensitive periods necessary for...
25
babbling stage/subsongs
 
observational learning by listening and picking up rules of grammar....cannot express this...
26
language competency stage
 
motivations: finding a mate and communicating with others, learn syntax, and pragmatics for...
27
gestures
 
artificial speech that generates generally before language...positive correlation between number...
28
Lichetheim's model of language processing
 
hypothetical structure that produces language....must possess ability to take in and translate...
29
Broca's area
 
problems: agrammaticism--say things semantically sound but forget helping words like the,,,,,confuse...
30
serial production
 
theory that language production is a series of steps that do not overlap: 1. pronunciation...
31
wernicke's area
 
have trouble comprehending and speak in a word salad....in volved the supramarginal gyrus
32
Wernicke-Geschwind model
 
serial processing or transcortical association model for producing/;understanding speech....1....
33
natural language interface
 
computer human interface where linguistic phenomena such as verbs, phrases, clauses act as...
34
conceptual or semantics memory system 
 
expanded cortical areas and hippocampus
35
mediational system
 
purpose in speaking language....it coordinates implementation and conceptual system to create...
36
subcortical areas involved in language
 
basal ganglia, hippocampus, cerebellum
37
sign language
 
relies on left hemisphere like spoken language...use of spatial cues in language...taught to...
38
social isolation
 
significant negative effects on language...large immediate response but plateua at the competency...

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