Brain and Language Flashcards

(52 cards)

1
Q

Reflexes are

A

preprogrammed, involuntary, stereotype, responses to specific stimuli

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2
Q

Newborn reflexes

A

grasping, rooting, sucking, stepping, swimming, moro (startle), babinski (stroke side of feet, toes will fan out), tonic neck (if you turn the babies head that side of their body will extend)

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3
Q

When do newborn reflexes disappear?

A

By the end of first year (2-6 month range)

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4
Q

What shift in control happens?

A

Subcortical to cortical structures

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5
Q

What is SIDS?

A

Unexplained death that occurs from birth to 1 year

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6
Q

When is SIDS at the highest risk?

A

2 to 6 months

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7
Q

Triple Risk SIDS Model

A
  1. Critical period of development when moving to cortical structures 2. Individual underlying vulnerability 3. environmental challenge to breathing
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8
Q

Risk factors for SIDS

A

stomach sleeping, soft mattresses, cigarette smoke, low birth weight, bed sharing

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9
Q

COL 1. Phonology

A

phonemes- fundamental units of sound in a given language and rules for combining them

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10
Q

COL 2. Semantics

A

meanings of individual words and combinations

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11
Q

COL 3. Grammar

A

rules about language structure, morphology, morpheme- fundamental unit of meaning and rules for combining to build words, syntax- rules for combining words into sentences/phrases

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12
Q

COL 4. Prosody

A

patterns of intonation, stress, etc, rhythmic aspect of language can convey meaning

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13
Q

COL 5. Pragmatics

A

social conventions around language use

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14
Q

PS 1. Perception

A

innate sensitivity to language, newborns prefer speech sounds, young infants “universal listeners”, by 10-12 months specialize

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15
Q

PS 2. Production

A

6-8 weeks cooing, 3-6 months babbling, 9-10 months speech like babbling

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16
Q

PS 3. Gestures

A

proto imperative pointing (using a gesture as a command or request), proto declarative (gesture to show/invite interest and attention)

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17
Q

Habituation

A

gradual decline in response to a repeated stimulus

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18
Q

Dishabituation

A

recovery of response when stimulus changes

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19
Q

Slower Habituation is seen in

A

preterm, younger, low birth weight, some brain injury

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20
Q

Classical Conditioning

A

unconditioned stimulus, unconditioned response, conditioned stimulus, conditioned response)

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21
Q

Reinforcement

A

increases frequency of behavior. positive reinforcement: ADD increases behavior with an added reward, negative reinforcement: REMOVE increases behavior when something negative is taken away

22
Q

Punishment

A

decrease frequency of behavior, positive punishment: ADDING something to stop a behavior, negative punishment: REMOVE something to stop a behavior

23
Q

Imitation

A

present early in infancy, probably from birth (newborn facial imitation)

24
Q

Differed imitation

A

behavior is modeled, stop, then chance to imitate

25
Excitatory connections
"fire" send it on
26
Inhibitory connections
"don't fire"
27
SSRI's are
reuptake blockers, more neurotransmitters stay in synapse for longer, more time to take effect (some drugs can block receptors)
28
10 m/sec without
insulation (unmyelinated axon)
29
Glial cell
creates fatty insulation, makes neuron process faster
30
Myelin
fatty insulation
31
100 m/sec or more with
myelinated axon
32
proliferation
generating neurons, happening prenatally
33
Migration
neurons travel to final location in brain
34
Differentiation
neurons take on specialized form and function
35
Synaptogenesis
creating connections between neurons prenatal and postnatal
36
Preterm Birth
<37 weeks gestational age (10% in US)
37
Preterm Birth Causes and Risks
50% unknown, infection/uterine overdistension/fetal abnormalities, maternal health issues, previous preterm birth, multiples (twins), lack of prenatal care, young or old mothers (17 and under or 35 and older)
38
One word Stage
12-20 months, familiar people, pets, objects, some actions (give), modifiers (dirty, all gone), social (hi/bye)
39
Whole Object Bias
referring to whole object or being rather than a part of it
40
Mutual exclusivity bias
each object has one label
41
18-20 months
Vocabulary spurt/explosion
42
One Word Stage Common errors
overextension error- apply label too broadly
43
Underextension error
Apply label too narrowly
44
Productive Language
what you can say
45
Two Word Stage Telegraphic Speech
beyond two words add adjectives, pronouns, conjunctions, questions, verb inflections
46
Theoretical Perspectives
Language is acquisition, universal, orderly, rapid, effortless, largely untaught, generative
47
Two word stage common errors
Over regularization- used irregular verbs correctly now apply the regular rule too broadly
48
Broca's area
left frontal, near motor cortex, Broca's/expressive aphasia
49
Wernicke's Area
Left temporal, near auditory cortex, wernick's/receptive aphasia
50
Linguistic Theory
language learning is modular, language learning module, input: language and environment, processing: language module, output: comprehension
51
"universal grammer"
basic template for language
52