Most of our nerve cells are multipolar neurons. Chapter 1: Introduction to Psychology Overview, Chapter 2: Psychological Research Overview, 2.3 Analyzing Findings and Experimental Design, Chapter 3: Biological Basis of Behavior Overview, Chapter 4: States of Consciousness Overview, Chapter 5: Sensation & Perception Overview, 5.7 Accuracy and Inaccuracy in Perception, 6.6 Learning to Unlearn - Behavioral Principles in Clinical Psychology, 6.7 Learning Principles in Everyday Behavior, Chapter 7: Cognition & Intelligence Overview, 8.2 Parts of the Brain Involved in Memory, 10.2 Freud & the Psychodynamic Perspective, 10.3 Neo-Freudians: Adler, Erikson, Jung, & Horney, 10.5 Humanistic Approaches to Personality, 10.6 Biological Approaches to Personality, 10.8 Cultural Understanding of Personality, Chapter 12: Psychological Disorders Overview, 12.2 Diagnosing & Classifying Psychological Disorders, 12.3 Perspectives on Psychological Disorders, 12.5 Obsessive-Compulsive & Related Disorders, 13.1 Mental Health Treatment: Past & Present, 13.4 Substance-Related & Addictive Disorders: A Special Case, 13.5 The Sociocultural Model & Therapy Utilization, Kathryn Dumper, William Jenkins, Arlene Lacombe, Marilyn Lovett, and Marion Perimutter, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, Describe how neurons communicate with each other, Explain how drugs act as agonists or antagonists for a given neurotransmitter system. The terminal boutons or terminal buttons at the end of the terminals respond to the action potential by releasing neurotransmitters. In simple terms, this means that an incoming signal from another neuron is either sufficient or insufficient to reach the threshold of excitation. Glycine is involved in controlling hearing processing, pain transmission and metabolism. An action potential involves Na+ moving ________ the cell and K+ moving ________ the cell. It can be insulated (myelinated) or non-insulated (non-myelinated). The semipermeable nature of the neuronal membrane somewhat restricts the movement of these charged molecules, and, as a result, some of the charged particles tend to become more concentrated either inside or outside the cell. Neurotransmitters: Types, Function and Examples - Simply Psychology The brain contains ________ of interconnected neurons and glia. The dendrites are covered with synapses formed by the ends of axons from other neurons. It is possible to stimulate one or the other system, however, by creating the right environment. Barrs The Human Nervous System: An anatomical viewpoint. A neuron's outer surface is made up of a semipermeable membrane. The ________ of a neuron contain ________ that house neurotransmitters, the chemical messengers of the nervous system. Learning how the bodys cells and organs function can help us understand the biological basis of human psychology. This is done by allowing large numbers of positively-charged sodium ions to flow into the cell. Some pages on this website provide links that require Adobe Reader to view. The nucleus of the neuron is located in the soma, or cell body. Another method of categorization is according to the type of information that is communicated this method groups neurons into motor, (interneuron), and sensory functions. Each type of neurotransmitter lands on and binds to a specific receptor on the target cell (like a key that can only fit and work in its partner lock).

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