The Biological Aspects of Psychology - 950 Words

Brain cells, hormones, and genes (etc) relate to everything one thinks, feels, does. Biological Psychology: The study of the cells and organs of the body + the phys/chem changes in behavior + mental processes. †¢ Behaviours and mental processes influenced by biology, biological processes by environment as well Nervous system : Complex combination of cells that mainly function to let an organism gain information about what is going on inside/outside body and how to respond to it. Three functions of the nervous system: †¢ receive information; input †¢ integrate information with past experiences; processing †¢ Guide actions; output. Brain can adjust the impact of incoming information (can’t tickle oneself) Brain cells communicate by†¦show more content†¦Peripheral Nervous System: includes all the nervous system not housed in bone, carries out sensory and motor functions Central Nervous System: encased in bone (brain, inside the skull, and the spinal cord, inside the spinal column) – where information is usually sent. Somatic Nervous System: transfers information from the senses to the CNS and carries signals from the CNS to muscles [part of PNS] Autonomic Nervous System: carries messages back and forth between the CNS and the heart, lungs, and other glands/organs. [part of PNS] †¢ Sympathetic – mobilizes the body for action in the face of stress (fight or flight response) †¢ Parasympathetic – regulates the body’s energy-conserving functions. Nuclei: collections of neuronal cell bodies Fiber tracts/pathways: axons in CNS that travel together in bundles Spinal Cord: receives signals from senses and relays those signals to the brain through fibers within the cord. Reflexes: simple directed behaviors without instructions from the brain Feedback system: series of processes where info about a consequence of an action goes back to source of action. ï‚ § Sensory neurons are afferent in spinal cord ï‚ § Motor neurons are efferent in spinal cord Electroencephalograph measuresShow MoreRelatedPsychology : Theory Of Psychology1637 Words   |  7 PagesIntroduction to Psychology Module 1. Explain how a person committed to each of the following contemporary perspectives would explain human aggression. a. Psychodynamic: A person committed to psychodynamics would see that human functions are based on the interaction of drives and forces within the unconscious mind of a person. 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