PSYCH 1101 Morris UGA Exam 3 100% Correct

PSYCH 1101 Morris UGA Exam 3 100% Correct neuron cell in nervous system that receives, integrates, and transmits information dendrites -part of the neuron -receives messages from other neurons soma -part of the neuron -cell body cell nucleus -part of the neuron -life support of neuron axon -part of the neuron -long, thin fiber that transmits signals myelin sheath -part of the neuron -insulating material that coats axons and speeds transmission of info (think insulation in house) terminal buttons -part of the neuron -small knobs that secrete neurotransmitters to transmit the neuron's message to the next neuron synapse -part of the neuron -junction between neurons where information is transmitted from one neuron to another how neurons transmit information action potential (brief electrical charge) travels down axon to terminal buttons and when action potential reaches terminal fibers, they release neurotransmitters into synapse and when enough neurotransmitters bind to receptor sites on the next neuron's dendrites, it causes the neuron to fire neurotransmitters chemical messengers released from terminal buttons that travel across synapse to receptors on dendrites of other neurons reuptake the process of reabsorbing unused neurotransmitters agonists chemical that mimics the action of neurotransmitters causing similar effects antagonists chemical that opposes the action of a neurotransmitter glial cells cells in the nervous system that support, nourish, and protect neurons central nervous system (CNS) brain and spinal cord peripheral nervous system (PNS) all nerves outside of brain and spinal cord somatic nervous system -part of PNS -nerves that connect to voluntary skeletal muscles and sensory receptors (ex: walking, getting out of bed, being cold, etc.) afferent nerve fibers carry information to CNS from body (ex: if someone punches you, this allows you to feel and process that pain) efferent nerve fibers carry information