PSYC 3100 Study Guide - Midterm Guide: Vagal Tone, Parasympathetic Nervous System, Sympathetic Nervous System
Document Summary
Health psychology research: theory-driven or practical problems. Careers in health psychology: clinical health psychologist, allied health professional fields, social work, occupational therapy, physical therapy, dietetics, public health, research/academia, nonprofit/policy/government. Chapter 2: genetics & systems of the body: a primer. Human genome: composed of 46 chromosomes (22 of autosomal and two sex determining x/y chromosomes) with approximately 3 billion base pairs and 20,500 genes. Alleles: different forms of the same gene, genotype: physical genetic makeup, phenotype: how a gene is expressed through human features. Epigenetics: the study of trait variations that results from external or environmental factors that switch genes on/off and affect how cells express genes, histone modification (coiled/uncoiled, methylated/unmethylated. Neurotransmitters v. hormones maintain energy: neurotransmitters are chemical messengers that control nervous system, hormones are molecules that influence particular organs. Cardiovascular system: cardiac control, stress decreases pns decreased rsa, cardiac preejection period (pep, stress increases sns activity shorter pep.
