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HD 101 Test 2
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53
Other
Undergraduate 2
02/28/2010

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Term
neuron
Definition
one of hte billions of nerve cells in the central nervous system, especially the brain
Term
synapse
Definition
the intersection between the axon of one neuron and the dendrites of other neurons
Term
dendrite
Definition
a fiber that extends from a neuron and receives electrochemical impulses transmitted from other neurons via their axons
Term
pruning
Definition
elimination of weak synapses during brain development
Term
neuroplasticity
Definition
extent to which the brain organization is flexible
Term
reflexes
Definition
unlearned responses triggered by a specific form of stimulation
Term
babinski
Definition
stroke foot from heel to toe, toes fan out
Term
Moro
Definition
throws arms out and then in
Term
rooting
Definition
cheek is stoked, turns head
Term
palmer
Definition
grasps object when its placed in hand
Term
other forms of reflexes
Definition
blinking, stepping, sucking
Term
sensorimotor intelligence (six stages)
Definition
one: reflexes
two: first acquired adaptations (sucking a pacifier)
three: awareness of things, responding to people and objects
four: new adaptations and anticipations, becomes more deliberate and purposeful in responses
five: new means through active experimentation and creativity
six: new means through mental combination, thinking before doing
Term
sensorimotor intelligence
Definition
Piaget's term for the way infants think- by using their seneses and motor skills during the frist period of cognitive development
Term
baby talk
Definition
form of speech used by adults in talking to very young children
Term
naming explosion
Definition
sudden increase in an infants vocabulary, especially in the # of nouns, happens about 18 months
Term
reflexive communication
Definition
cries, movements and facial expressions
Term
proximal parenting
Definition
close, physical contact
Term
distal parenting
Definition
focuses on child's intellect
Term
attachment
Definition
the lasting emotional bond that one person has with another (forms in infancy)
Term
secure attachment
Definition
a relationship in which an infant obtains both comfort and confidence from the presence of parent, parent is safe base
Term
avoidant attachment
Definition
not upset when mother leaves, may ignore her when she returns
Term
resistant attachment
Definition
upset when mother leaves, upset when she returns
Term
disorganized attachment
Definition
confused when mother leaves and returns
Term
goodness of fit
Definition
smoother infant to caregiver interaction
Term
fear of strangers
Definition
an infants expression of concern when a stranger appears
Term
separation anxiety
Definition
an infants distress when a parent leaves
Term
trust vs. mistrust
Definition
infants whether the world can be trusted to supply their basic needs (food, comfort)
Term
fine motor skills
Definition
using fingers, holding a pencil
Term
gross motor skills
Definition
walking, running, jumping
Term
pre-operational thought
Definition
Piagets term for cognitive development, includes language and imagination, logical thinking isnt possible
Term
centration
Definition
a characteristic of preoperational thought in which a young child focuses on one idea, excluding all others
Term
egocentrism
Definition
Piagets term for children's tendency to think about the world entirely from their own personal perspective, selfish
Term
irreversibility
Definition
the idea that nothing can be undone, cant realize some things can be restored to the way they once were
Term
conservation
Definition
the idea that the amount of substance remains the same when its appearance changes
Term
scaffolding
Definition
temporary support that is tailored to a learners need and abilities and aimed at helping the learner master the next task
Term
guided participation
Definition
the process by which people learn from others who guide their experiences and explorations
ex: kid learning how to sew from his mom
Term
zone of proximal development
Definition
Vgotsky's term for difference between what a learner can do without help and what he or she can do with help
Term
private speech
Definition
the internal dialogue that occurs when people talk to themselves (silently or out loud)
Term
social mediation
Definition
occurs through both formal instruction and casual conversation
Term
Temperament
Definition
characteristics that indicate a consistent pattern to our behavior
Term
how can parents and care providers help children's language develop
Definition
reading to them, sources, natural process
Term
child centered teaching
Definition
teaching that lets kids discover concepts for themselves (activities)
Term
teacher-directed instruction
Definition
where teacher lectures and gives students information to learn
Term
Three levels of prevention
Definition
primary: structure the situation (stable neighborhood)
secondary: averting harm in high risk situations (preventative medical treatment)
tertiary: after injury, limiting the damage caused (removing a child from a home after abuse)
Term
2 forms of play, how do children benefit from this
Definition
cooperative play: play in which children work together to accomplish a goal
associative play: two or more kids actually interact with one another by sharing materials, helps promote social skills
Term
List and explain what you believe to be the most prevalent developments related to each of the three following developmental forces (biosocial, psychosocial, cognitive) during ages birth to six.
Definition
Biosocial-Parents and culture. Infant’s brains triple in size, tiny stomachs digest more food and more kinds of food, dispatching nourishment to the brain and body to enable phenomenal growth.
Psychosocial- Interaction of infant’s emotions and their social contexts
Cognitive-People can rethink and reorganize their thoughts, developing new working models that are more positive than their original ones, a mistrustful girl can learn to trust if her later experiences such as marriage to a faithful husband, can provide a new model
Term
What are some physical indicators that children are growing well?
Definition
3 months: rolls over, stays half-upright, uses two eyes together, grabs for an object
6 months: sits up, grabs and can grasp, smiles and laughs, tries to crawl
12 months: stands without holding on, crawls well, takes a few unsteady steps, can feed self with fingers
18 months: walks well, runs (but also falls) tries to crawl on furniture, begins toilet training
24 months: runs well, climbs up, uses simple tools. Combines words, can use fingers to unscrew tops
Term
Nutritional needs of children ages birth through six
Definition
Newborns: Starts with mother’s milk
Balance the nutrition (fat, protein)
Term
How do diet and activity affect brain development?
Definition
If the brain produces an overabundance of stress hormones early in life, then the brain becomes incapable of normal stress responses. Later in life the person’s brain may overproduce hormones making them alert or making them sad when it under produces
Term
What are some indicators of prefrontal brain development in children ages 2-6?
Definition
The area of the cortex at the front of brain that specializes in anticipation, planning and impulse control
Term
seriation
Definition
putting things in order (size, shape)
Term
perception
Definition
The mental processing of sensory information, when the brain interprets a sensation
Term
motherese
Definition
It is usually delivered with a "cooing" pattern of intonation different from that of normal adult speech: high in pitch, with many glissando variations that are more pronounced than those of normal speech
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