Developmental Psychology
The study of how behaviour and mental processes change over the lifespan
Post Hoc Fallocy
The mistake of assuming that because A comes before B, A must cause B
Bidirectional
Children’s experiences influence their development, but their development also influences their experiences
Cross-sectional Design
A design in which researchers examine people of different ages at a single point in time
Cohort Effects
Effects due to the fact that sets of people who lived during one time period, called cohorts, can differ systematic way from sets of people who lived during a different time period (ex. technology)
Longitudinal Design
Psychologists track the development of the same group of subjects over time
Developmental Effects
Changes over time within individuals as a consequence of growing older
What are the downsides to longitudinal designs
Costly, attrition (people dropping out over time), and time consuming
Infant Determinism
The widespread assumption that extremely early experiences - especially first three years of life - are almost more influential than later experiences in shaping us as adults.
Childhood Fragility
A myth which holds that children are delicate little creatures who are easily damaged
Nature via Nurture
Children with certain genetic predispositions often seek out and create their own environments
Gene-environment interaction
Children will low MAO and history of maltreatment where at heightened risk for antisocial behaviours, like stealing, rape, and assault
Prenatal
(Prior to birth) period of development, the human body acquires its basic form and structure
Zygote
Produced when a sperm cell fertilizes an egg
Blastocyst
A ball of identical cells that haven’t yet begun to take on any specific function in a body part
Embryo
Produces when different cells start to assume different functions and the blastocyst becomes embryos.
Proliferation
A process that occurs between the 18th day of pregnancy and the end of the 6th month, neurons begin developing at an astronomical rate
Tetrogens
Environmental factors that can exert a negative impact on prenatal development
What are the three things that will impact a normal fetal development
What is the viability point and when does it start?
The point in pregnancy when fetuses can typically survive on their own. Starts around 25 weeks.
Motor behaviours
Bodily motions that occur as a result of self-initiated force that moves the bones and muscles
Adolescence
The transitional period between childhood and adulthood commonly associated with the teenage years
Puberty (sexual maturation)
The attainment of physical potential for reproduction
What are the primary sex characteristics?
Reproductive organs and genitals