Chapter 4 - Physical, Sensory and Perceptual Development in Infancy Flashcards
what are the first parts of the brain to develop?
the midbrain and the medulla
what is synaptogenesis?
the process of new synapses forming
what is synaptic pruning?
when unused/unnecessary neural pathways are eliminated in order to make the brain more efficient
define neuroplasticity
the ability of the brain to reorganize structure in response to experience
what is myelination?
when sheaths of myelin cover axons to speed up reactions
what are adaptive reflexes?
reflexes that help the baby survive
what are primitive reflexes?
controlled by the primitive parts of the brain, they disappear within the first year of life
what are gross motor skills?
locomotor skills
what are nonlocomotor skills?
e.g. head movements
what are fine motor skills?
manipulative skills with your hands
when is visual acuity like an adults?
at seven years old
when does tracking become efficient?
two months old
when does auditory localization become present?
at birth
what is the preference technique?
a research method in which a researcher keeps track of how long an infant looks at each of two objects (helps determine if they can see a difference)
what is convergence?
when an object moves closer your eyes cross
