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 study of changes that occur as people/animals change & mature through interaction of nature & nurture  continuity view –gradual development  discontinuity.

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Presentation on theme: " study of changes that occur as people/animals change & mature through interaction of nature & nurture  continuity view –gradual development  discontinuity."— Presentation transcript:

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2  study of changes that occur as people/animals change & mature through interaction of nature & nurture  continuity view –gradual development  discontinuity view –succession of changes in STAGES

3  Developmental States : period of life initiated by distinct transitions (changes) in physical/psychological functioning  Critical period : when an individual is most receptive to certain changes  Ex: toilet training, crawling, walking, talking, reading

4  Definition: unfolding of genetically programmed processes of growth influenced by nature & nurture  Process of learning to cope & react in an appropriate way  Does not necessarily happen along with aging or physical growth  a situation a person deals with helps prepare them for the next

5  1.) conception  2 weeks = ZYGOTE (fertilized egg)  2.) cell division  attach to uterine wall (outer cells  placenta, inner cells  EMBRYO )  3.) Nine weeks = fetus  4.) Placenta nourishes fetus & blocks TERATOGENS : substance capable of interfering with fetal development  5.) 250,000 neurons form each minute!

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7 Prenatal Video

8  limited instincts/involuntary sensory behaviors  grasping reflex – respond to touch  rooting/sucking reflex – respond to touch near mouth & cheek  postural reflex – sit with support

9  rapid, genetically programmed growth  perceptual skills develop tremendously  language acquisition – social interaction & hearing prepare infants to learn languages

10  inborn pattern of steps to understand vocab. & grammar (Chomsky – Broca’s area of brain is programmed)  BABBLING – sequence of sounds; ALL sounds same!  ONE-WORD STAGE – overextension is common (“doggie” refers to all animals)  18 mo. – learning accelerates – asking questions to learn new vocabulary: naming explosion  TWO-WORD STAGE – range of meaning extends greatly & categories are common

11  TELEGRAPHIC SPEECH – short, simple sequences of nouns & verbs  SYNTAX –sentence structure  SEMANTICS – meaning of words (i.e. add “ed” for past tense, “s” for plural, “ing” for action, etc)


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