PSY 12000 Chapter 3: Chapter 3 Study Guide
16 Aug 2018
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Discuss how the nervous system communicates internally, linking world and brain. Chapter 3: describe the structure, type, and function of neurons: Neurons: the main components of the nervous system. They communicate and operate electrochemically -- part electrical and integrate information b. part chemical. Identify three types of neurons, and explain their functions: Sensory neurons: cells that carry environmental messages towards the spinal cord and brain. Make initial contact w the environment and are responsible for carrying the message towards the spinal cord and brain. Heat of flame excited receptor region of sensory neurons in fingertip and passes message to spinal cord. Interneurons: interneurons makes no direct contact with the outside world. Cells that transfer information from one neuron to another; Convey info from one internal processing site to another. Interneurons in the spinal cord receive the message from the sensory neurons and then pass it on to the motor neurons to the muscles and glands that directly produce behavior.
