Chapter 5, Chapter 6, Chapter 7, Chapter 8 Flashcards
The processing of basic information from the external world via receptors in the sense organs (eyes, ears, skins, etc.) and brain
Sensation
the process of organizing and interpreting sensory information
Perception
the sharpness and clarity of vision
Visual acuity
a method for studying visual attention in infants that involves showing infants two images simultaneously to see if the infants prefer one over the other
Preferential-looking technique
the ability to detect differences in light and dark areas in a visual pattern
the ability to detect differences in light and dark areas in a visual pattern Contrast sensitivity
light-sensitive neurons that are highly concentrated in the fovea (central region of the retina)
Cone cells
Infants like looking at high contrast patterns
True
visual behavior in which the viewer’s gaze shifts at the same rate and angle as a moving object
Smooth pursuit eye movements
the perception of objects as being of constant size, shape, color, etc. in spite of physical differences in the retinal image of the object
Perceptual constancy
the identification of separate objects in a visual array
Object segregation
a procedure used to study infant cognition in which infants are shown an event that should evoke surprise or interest if goes against something the infant knows
Violation-of-expectancy
a depth cue in which an object occludes increasingly more of the background, indicating that the object is approaching
Optical expansion
The difference between the retinal image of an object in each eye that results in two slightly different signals being sent to the brain
Binocular disparity
the process by which the visual cortex combines the differing neural signals caused by binocular disparity, resulting in the perception of depth
Stereopsis
the perceptual cues of depth (such as relative size and interposition) that can be perceived by one eye alone
Monocular depth cues
the perception of the spatial location of a sound source
Auditory localization
developmental changes in which experience fine-tunes the perceptual system
Perceptual narrowing
the combing of information from two or more sensory system
Intermodal perception
fixed patterns of action that occur in response to particular stimulation
Reflexes
turning of the head and opening of the mouth in the direction of a touch (happens when an infant is hungry)
Rooting
oral response when the roof of the mouth is stimulated
Sucking/Swallowing
when the head turns or is positioned to one side, the arms on that side of the body extends, while the arm and knee on the other side flex
Tonic Neck
throwing back the head and extending the arms, then rapidly drawing them in, in response to a loud, sound, or sudden movement
Moro
closing the fingers around an object that is pressed to the palm
Grasping
stepping or dancing with the feet when being held upright with feet touching a solid surface
Stepping
the possibilities for action, offered, or afforded, by objects and situations
Affordances
clumsy swiping movements by young infants toward objects they see
Pre-reaching movements
the ability to move oneself around in the environment
Self-locomotion
the attempt by a young child to perform an acton on a miniature object that is impossible due to the large discrepancy in the relative sizes of the child and the object
Scale-error
a form of learning that consists of associating an initially neutral stimulus with a stimulus that always evokes a particular reflexive response
CC
a stimulus that evokes a reflexive response (nipple in the infant’s mouth)
UCS
a reflexive response that is elicited by the unconditioned stimulus (sucking reflex)
UCR
the natural stimulus that is repeatedly paired with the unconditioned stimulus (breast or bottle). Repeatedly occurs just before the UCS
CS
the originally reflexive response that comes to be elicited by the CS (the sight of the bottle or breast has become a signal of what will follow)
CR
learning the relation between one’s own behavior and the consequences that result from it
Operant Conditioning
a reward that reliably follows a behavior and increases the likelihood that the behavior will be repeated
Positive Reinforcement
the ability to use prior experiences to predict what will occur in the future
Rational Learning
learning by engaging with the world, rather than passively observing objects and events
Active Learning
systems for represent our thoughts, feelings, and knowledge, and for communicating them to other people
Symbols
understanding what others say (or sign or write)
Language Comprehension
the process of speaking (or signing or writing)
Language Production
a system in which a finite set of words can be combined to generate an infinite number of sentences
Generative
smallest units of meaningful sound (rake vs lake) r vs l sound
Phonemes
the smallest units of meaning in a language (dog vs dogs)
Morphemes
rules specifying how sounds from different categories (nouns, verbs, adjectives, etc.) can be combined
Syntax
knowledge about how language is used
Pragmatics
the distinctive mode of speech used when speaking to infants and toddlers
IDS
the characteristic rhythm and intonational patterns with which a language is spoken
Prosody
the perception of phonemes as belonging to discrete categories
Categorical Perception
the length of time between when air passes through the lips and when the vocal cords start vibrating
Voice Onset Time
discovering where words begin and end in fluent speech
Word Segmentation
ahhhh or ooohhhh (6-10 weeks)
Cooing
papa, dadada, bobobo, (6-10 months)
Babbling
(10-15 months) wabbit or bubba
First Word
(20-22 months) Give food, John go (simple sentences) short utterances that leave out non-essential words
Telegraphic Speech
(30 months) Mommy go to work.
Full Sentences
an overly broad interpretation of the meaning of a word
Overextension
an overly narrow interpretation of the meaning of a word
Underextension
aspects of the social context used for word learning
Pragmatic Cues
determine word meanings by tracking the correlations between labels and meanings across scenes and contexts
Cross situation word learning
the strategy of using grammatical structure to infer the meaning of a new word
Syntactic Bootstrapping
speech erros in which children treat irregular forms of words as if they were regular. e.g. I eated the pie.
Overregularization
Conversation between children that involves a series of non sequiturs
Collective monologue
story-like structured descriptions of past events
Narratives
a proposed set of highly abstract structures that are common to all languages
Universal Grammar
a computation modeling approach that emphasizes that simultaneous activity of numerous interconnected processing units
Connectionism
treating a symbolic artifact both as a real object and as a symbol for something other than itself
Dual representation
General ideas or understandings that can be used to group together objects, events qualities or abstractions that are similar in some way
Concepts
A category that is organized by set-subset relations such as animal/dog/poodle
Category hierarchy
The grouping together of objects that have similar appearances
Perceptual categorization