Study Guide for PSY1513 Final Comprehensive Exam Chapter 1 Correlation Measure of the relationship between 2 variables A standardized way of making observations, gathering data, forming theories, testing predictions and interpreting results The scientific study of behavior and mental processes Manipulating one variable to determine if changes in one variable causes change in another variable A scientist who studies the mind (no degree so they cannot prescribe medication) A medical doctor who specializes in mental health, including substance use disorders (medical degree so they can prescribe medication)Who established the first psychological laboratory? What did Sigmund Freud consider to be the key to understanding the nervous disorders he observed? What did John B. Watson believe should be the emphasized in the study of psychology? What are the goals of psychology? Chapter 2 Nervous system An extensive network of specialized cells that carry information to and from all parts of the body Neuron A specialized cell transmitting nerve impulses; nerve cells Pituitary gland Part of the endocrine system, small structure located just beneath the hypothalamus Hypothalamus
Sits below the thalamus, responsible for maintenance behaviors (eating, drinking, body temp) Central nervous system Brain and spinal cord Hormones Controls and regulates the activity of certain cells or organs Cerebral hemispheres 2 sections of the cortex (left side of the brain and right side of the brain) Peripheral nervous system All nerves and neurons that are not contained in the brain and spinal cord but that run through the body Neurotransmitter Chemical messenger that carriers, boosts, and balances signals between neurons, or nerve cells, and other cells in the body Excitatory synapse Synapse in which an action potential in a presynaptic neuron increases the probability of an action potential occurring in a postsynaptic cell Inhibitory synapse Reduces the probability of an action potential occurring in another cell
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