Details Title: 250 Exam 1 Description: Infant Cog and Lang Develop. Total Flash Cards: 17 Created: 01/23/2008 20:21:12		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Psychology Flashcards
Cards in this set: Term sensorimotor stage Definition 0-2 years infants learn about the world through their 5 senses and their motor skills Term sensorimotor stage: substage 1 Definition birth-1 month reflexive schemas (exercising reflexes) Term sensorimotor stage: substage 2 Definition 1-4 months primary circular reactions done by accident towards infants own body Term sensorimotor stage: substage 3 Definition 4-8 months making/repeating events in the environment Term sensorimotor stage: substage 4 Definition 8-12 months secondary circular reactions goal-directed behavior first signs of object permanence Term sensorimotor stage: substage 5 Definition 12-18 months tertiary circular reactions experimenting repeating acts with variation Term sensorimotor stage: substage 6 Definition 18-24 months mental representations deferred imitation cause/effect of actions symbols Term deferred imitation Definition ability to reproduce behavior of models no longer present   important for learning Term object permanence Definition not born with this concept complete by 24 months Term milestones of language development Definition cooing (vowel) babbling (vowel and consonant) holophrase (1 word) naming explosion (vocab spurt) telegraphic speech (2 words) Term overextension Definition defining a word too broadly Term underextension Definition defining a word too narrowly Term behaviorist perspective Definition Skinner language acquried through operant conditioning (reward and reinforcement) and imitation Term nativist perspective Definition all children posess an innate system for language acquisition   language acquisition device (LAD)   universal grammar Term interactionist perspectives Definition language achievements through an interaction between innate abilities and environmental influences Term infant-directed speech Definition high-pitched exaggerated simplification questions and commands repetition Term constraints on word names Definition name refers to a whole object name refers to all objects of the same type