PSYC 2010 Lecture Notes - Lecture 4: Frontal Lobe, Muscle Tone, Phineas Gage

• School: Auburn University
• Department: Psychology
• Course: PSYC 2010
• Professor: Daniels

Document Summary

Re more often, but it does not affect the action potentials strength or speed. Intensity of an action potential remains the same throughout the length of the axon. If the minimum intensity is not met, none of them will re at all: synapse: junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron. This applies the brakes on neurotransmitter action. Kinds of neurons : sensory neurons: carry incoming info from the sense receptors to the cns, motor neurons: carry outgoing info from the cns to muscles and glands, interneurons connect the two types of neurons. Nervous systems : consists of all of the nerve cells, it is the body"s speedy, electrochemical communication system. Central nervous system: brain and spinal cord. Sympathetic division of the ans that arouses the body, mobilizing its energy in stressful situations - ght or ight response.