Textbook Notes (368,317)
Canada (161,798)
Psychology (256)
PSYC 1F90 (156)
Chapter 3

Chapter 3: Human Development

16 Pages
124 Views
Unlock Document

Department
Psychology
Course
PSYC 1F90
Professor
John Mitterer
Semester
Winter

Description
Chapter 3 Human Development NATURE OR NURTUREIT TAKES TWO TO TANGO y Developmental psychology the study of progressive changes in behaviour and abilities from conception to death womb to the tomb o Heredity and environment also affect us throughout life y The person you are today reflects a continuous interaction or interplay between the forces of nurture and natureHeredityy Heredity nature the transmission of physical and psychological characteristics from parents to offspring through genes y DNA or deoxyribonucleic acid a molecular structure that contains coded genetic information o A chain of pairs of chemical molecules which acts as a code for genetic informationIts organized into 46 chromosomes y Chromosomes threadlike coloured bodies in the nucleus of each cell that are made up of DNA y Genes specific areas on a strand of DNA that carry hereditary information eg Eye colour y Dominant gene a gene whose influence will be expressed each time the gene is present y Recessive gene a gene whose influence will be expressed only when it is paired with a second recessive gene y Polygenic characteristics personal traits or physical properties that are influenced by many genes working in combination y Maturation the physical growth and development of the body and nervous system Readiness y Readiness a condition that exists when maturation has advanced enough to allow the rapid acquisition of a particular skill o Minimal levels of maturation must occur before some skills can be learned Environment y Environment nurture the sum of all external conditions affecting development including the effects of learning o The brain of a newborn baby has fewer dendrites and synapses than an adult brain yet the newborn brain is highly plastic which allows it to be altered by experience Prenatal Influences y Environmental factors start influencing development before birth as they can still affect the child even when they are in intrauterine environments interior of the womb y Congenital problems problems or defects that originate during prenatal development in the womb y Genetic disorders problems caused by defects in the genes or by inherited characteristics y Anything capable of directly causing birth defects is called a teratogen y Teratogen radiation a drug or other substances capable of altering fetal development in nonheritable ways that cause birth defects Sensitive Periods y Sensitive period during development a period of increased sensitivity to environmental influencesAlso a time during which certain events must take place for normal development to occur eg loving bond between caregiver and child Deprivation and Enrichment y Deprivation in development the loss or withholding of normal stimulation nutrition comfort love and so forth a condition of lacking o Can cause children to be mute retarded and emotionally damaged y Enrichment in development deliberately making an environment more stimulating nutritional comforting loving and so forth Reaction Range y Reaction range the limits environment places on the effects of heredity Reciprocal Influences y Temperament the physical core of personality including emotional and perceptual sensitivity energy levels typical mood and so forth eg sensitivity irritability distractibility and typical mood y Developmental level An individuals current state of physical emotional and intellectual development o Heredity environment and your own behaviour THE NEWBORNMORE THAN MEETS THE EYE y Neonatenewborn infant y Grasping reflex rooting reflex reflexive head turning and nursing sucking reflex moro reflex if newborns position is changed abruptly or if they are startled by a loud noise they will make a hugging motion
More Less

Related notes for PSYC 1F90

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit