Mod 3 Flashcards
The scientific study of the links between biological and psychological processes
Biological psychology
The peripheral nervous system consists of
Sensory and motor neurons
A nerve cell that is the basic building block of the nervous system
Neuron
A neurons bushy Branching extensions that receive messages and conduct impulses toward the cell body
Dendrites
The neuron extension that passes messages through its branches to other neurons or to muscles or glands
Axon
A fatty tissue layer segmentally encasing the axons of some neurons
Myelin sheath
Cells in the nervous system that support,nourish, and protect neurons.they also play a role in learning and thinking
Glial cells
A neural impulse
Action potential
Junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron
Synapses
Chemical messengers that cross the synaptic gaps between neurons
Neuron transmitters
Natural opiate like neuron transmitters linked to pain control and pleasure
Endorphins
The brain and spinal cord
Central nervous system
Bundled axons that form neural cables
Neurons
Neurons that carry incoming info from the sensory receptors to the brain and the spinal cord
Sensory neurons
Neurons that carry outgoing info from the brain and spinal cord to the muscles and glands
Motor neurons
Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs
Inter neurons
A simple automatic response to a sensory stimulus
Reflex
Chemical messengers that are manufactured by the endocrine glands travel through bloodstream and affect other tissues
Hormones
A pair of endocrine glands that sit just above that sit just above the kidneys and secrete hormones that help arouse the body at times of stress
Adrenal gland
The release of Blank to muscle cell receptors triggers muscle contractions
Ach
Although Ron has no genital sensations, he is capable of an erection if his genitals are stimulated. Ron’s experience is most indicative of ….
A severed spinal cord
To excite or inhibit an action potential in a receiving neuron, a neurotransmitter must cross the ….
Synaptic gap
The vast majority of neurons in the body’s information system are ….
Inter neurons
Which hormone enables contractions associated with birthing and milk flow during nursing?
Oxytocin
