Psych 121: Developmental Psychology
Psych 121: Developmental Psychology Psych 121
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This 3 page Class Notes was uploaded by Brooke Notetaker on Tuesday September 27, 2016. The Class Notes belongs to Psych 121 at Radford University taught by Laura Wagner in Fall 2016. Since its upload, it has received 4 views. For similar materials see Introduction to Psychology in Psychology at Radford University.
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Date Created: 09/27/16
Developmental Psychology The study of how people develop: o Physically o Cognitively o Socially Considers role of genetics Continuous process v. stages Do early traits stay the same or change through life? o The lifespan perspective Prenatal Development: Conception Birth Conception Male Sperm- 23 Chromosomes Female egg- 23 Chromosomes Fertilized egg becomes a “zygote” with 46 chromosomes Zygote- fertilized egg Goes into 2 week period of rapid cell division o <50% survive past first 2 weeks o Survivors become specialized cells Embryo Stage- during the 2-8 week period after conception o Zygote attaches to Uterine Wall o Inner-cells of Zygote become emryo o Outer cells become placenta Fetal Stage: from 9 weeks to birth o Most intense period of development o Fetus starts to look human o Inborn survival skills develop Infancy: Maturation Maturation- Biological growth process causing natural changes in behavior o Not always due to environment o Can be stunted OR accelerated o “Maturation sets the basic course of development, and experience adjusts it” Infancy: Brain and Motor Skill Development Brain has growth spurt after birth Ages 3-6: Rapid growth in frontal lobes o Association areas (thinking, memory, language) are last to develop o Experiences strengthen neural connections Motor Skills o Develop in progression o Roll over sit up without helpcrawlstandwalkrun! Memory: Infantile Amnesia First Conscious Memories o ~3.5 years Unconscious memories form sooner We start learning early Childhood Cognitive Development: Piaget Cognition: Mental activities associated with thinking, knowing, remembering, and communication. Jean Piaget (interest in stages began in 1920) Developmental Psychologist o Mind develops in stages o Core Idea: Urge to make sense of experiences guides mental development Cognitive Development: Piaget’s “Schemas” Schemas- mental frameworks for organizing info and experiences o We pour our experiences into these schemas. o Helps us make sense of the world! Piaget: Schemas First, we assimilate new experiences o Assimilation- interpret things in terms of our current understanding With new experiences, schema adjusts, or accommodates, new information. Accommodation- adjust or adapt current schemas to incorporate new info.
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