Psych Chapter 2 Flashcards
to learn
Pierre Pauul Broca
Confirmed that some language functions were localized to the left frontal lobe.
Roger Sperry
Gathered patients who had their brains split in half.
Karl Wernickle
Discovered that when an area of the left hemisphere was injured a different type of language disturbace would appear. Spoken and written
Biological Psychology
The scientific study of the biological bases of behavior and mental processes.
Neurons
Cells that are highly specialized to receive and transmit information from one part of the body to another.
Sensory Neuron
type of neuron that conveys information about the environment, such as light or sound, from specialized receptor cells in the sense organs to the brain.
Motor Neuron
type of neuron that communicates information from the muscles and glands of the body.
Interneuron
type of neuron that communicates information between neurons
Cell Body
The part of the neuron that contains structures that process nutrients providing the energy the neuron needs to functions
Dendrites
The part of the neuron that receives messages from other neurons.
Axon
Part of the neuron that carries information from the neuron to other cells in the body, including other neurons, glands, and muscles
Glial Cell
Cells that provide structural and functional support for neurons throughout the nervous system
Myelin Sheath
a white, fatty, covering wrapped around the axons of some, but not all neurons in the brain
Stimulus threshold
The minimum level of stimulation required to activate a particular neuron
action potential
a brief electrical impulse that transmits information along the axon of a neuron
resting potential
the state in which a neuron is prepared to activate and communicate its message if it receives sufficient stimulation.
synapse
The point of communication between 2 neurons
synaptic gap
a tiny fluid filled space between the presynaptic and postsynaptic neurons
axon terminals
small branches at the end of the axon
synaptic vesicles
Tiny sacs in the axon terminal
neurotransmitters
chemical messengers manufactured by a neuron
synaptic transmission
the entire process of transmitting information at the synapse
reuptake
the process by which neurotransmitter molecules detach from the receptor and are reabsorbed by the presynaptic neuron so they can be recycled and used again.
acetlycholine
chemical means by which neurons communicate with the muscles : learning, memory, muscle contraction
dopamine
involved in movement, attention, learning and pleasurable rewarding sensations
serotinin
involved in sleep, sensory perceptions, mood, and emotional state.
norepinephrine
Physical arousal, learning, memory, regulation of sleep. Helps body gear up in the face of danger.
glutamine
excitatory messages
GABA
inhibitory messages
endorphines
pain perception, positive emotions