PSYC 1000 Chapter Notes - Chapter 3.2, 3.3, 3.4: Parasympathetic Nervous System, Language Production, Magnetic Resonance Imaging
3 Oct 2016
School
Department
Course
Professor
Document Summary
Dendrites: small branches radiating from the cell body that receive messages from other cells and transmit those messages toward the rest of the cell. Axon: transports information in the form of electrochemical reactions from the cell body to the end of the neuron, when activity reaches end of axon, it arrives at axon terminals, bulb-like extensions filled with vesicles called . Neurotransmitters: the chemicals that function as messengers allowing neurons to communication with each other, impulse travelling down the axon will stimulate the release of these neurotransmitters which allows neural communications to take place. Sensory neurons: receive information from the bodily senses and bring it toward the brain. Motor neurons: carry messages away from the brain and spinal cord and toward muscles in order to control their flexion and extension. Resting potential: relatively stable state during which the cell is not transmitting messages. Refractory period: brief period in which a neuron cannot fire.
