biological approach Flashcards
what is the biological approach
everything psychological is first biological
what is the result of a imbalance in neurochemical action
the brain is effected and leads to mental illness
e.g low levels of neurotranmitters serotonin in OCD
what is a genotype
set of genes that a person possess
e.g their genetic makeup
what is a phenotype
characteristics determined by both genes and environment
natural selection is the survival of the fittest, what are the three principles
diversity
interaction
differential amplification
what is neurochemistry
chemicals in the brain that regulate psychological functioning
what is the genetic basis of behaviour
concordance between monozygotic (identical) dizygotic (non identical) shows the gentic basis of psychology characteristics
