Study of the normal changes in behaviors that occur across the lifespan.
Developmental Psychology
Transmission of physical and psychological characteristics from parents to offspring through genes.
Heredity (“Nature”)
Molecular structure that contains coded genetic info (contained in all humans nucleus)
Deoxyribonucleic Acid (DNA)
Road like structure in the cell nucleus that house an individual’s genes. (23 from sperm & 23 from eggs)
Chromosomes
Carry hereditary info and instructions located in the DNA of each chromosomes.
Genes
Problems caused by defects in genes or inherited characteristics such as sick-cells.
Genetic Disorder
Gene who’s influence will be expressed each time that gene is presented.
Dominant Gene
Gene whose influence will be expressed only with a second type of the same gene.
Recessive Gene
Personal traits or physical properties that are influenced by many genes working in combination.
Polygenic Characteristics
Sum of all external conditions affects a persons development.
Environment (“Nurture”)
A harmful substance that can cause birth defects.
Teratogens
Defects that originate during prenatal development in the womb.
Congenital Problems
Collection of conditions occurring in children whose mothers consumed alcohol during pregnancy.
Fetal Alcohol Spectrum Disorder (FASD)
Period of increased sensitivity to environmental influences. Also a time during which certain events must take place for normal development to occur.
Sensitive Period
The loss or withholding of normal stimulation.
Deprivation
Deliberately making a environment more stimulating.
Enrichment
Study of changes in organisms that are caused by modification to gene expression rather than alteration of genetic code itself.
Epigenetics
Physical growth and brain development of the body, brain, and nervous system.
Maturation
Period which a person matures physically and sexually, capable of reproducing.
Puberty
Period between childhood and adulthood.
Adolescence
Area of psychology concerned with changes in emotions and social relationships.
Socioemotional Development
Smiling elicited by a social stimulus, such as seeing a parent’s face.
Social Smile
Conflict between personal impulses and the social world.
Psychosocial Dilemma
Substitute mothers to use for research purposes.
Surrogate Mothers