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Test 2
my second test
25
Psychology
Undergraduate 1
10/28/2013

Additional Psychology Flashcards

 


 

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Term
Neurons are:
Definition
Specialized cells that conduct impulses through the nervous system
Term
The body of the cel that carried out lifes sustaining functions of a neuron and contains the nucleus is called:
Definition
The Soma
Term
The function of the axon is to
Definition
carry messages to other cells
Term
What sends and recieves messages from nuerons to other neurons?
Definition
Dendrites
Term
If the axon of a neuron were not able to preform it's function, the neuron would...
Definition
send no signals
Term
The tiny gap between the axon terminals and the dendrites of another neuron is called the...
Definition
synaptic cleft
Term
When a neuron is at rest, it carries...
Definition
negative charge
Term
The sudden reversal of a neurons resting potential is called an
Definition
action potential
Term
Immediately after firing a neuron cannor fire for another 1-2 milliseconds. This is called:
Definition
The refractory period
Term
The most important factor in speeding the action potential on its way is the fatty white coating wrapped around most axons. This is called the...
Definition
Myelin Sheath
Term
The myelin sheath and the notes of ron vere are important because...
Definition
They speed neuro impulses
Term
A chemical found in the sacks within an axon chemical that when released has an effect on nearby nueron, is called a
Definition
Neuron transmitter
Term
Excitedtory nuero transmitters influence a nuero to ____. while inhibitory neuron-trainsmitters influence the recieving neuron ____.
Definition
Fire; Not to fire
Term
Reuptake is the process by which neurotransmitters in the synaptic cleft are
Definition
moved back into their axon terminals
Term
A;; of the nerves outside your spinal cord and brain make up the
Definition
peripheral nervous system
Term
Sensory and motor nerves are part of the
Definition
Somatic Nervous System
Term
You have a great deal of concious control over the nerves of the somatic nervous system, but not over the nerves of the
Definition
autonomic nervous system
Term
The two divisions of the autonomic nervous system are the _______ and _________.
Definition
Sympathetic; Parasympathetic
Term
The central nervous system consists of the _____ and the ______.
Definition
brain; spinal cord
Term
The reason so many reflexes happen s quickly (such as pulling a hand away from a hot iron so quickly) is because
Definition
the message does not have to go all the way to the brain
Term
Heart rate, respiration, and blood pressure, are controlled by the
Definition
hindbrain
Term
The _______ is involved in regulating hunger, thirst, temperature, and sexual behavior.
Definition
Hypothalmus
Term
The _____ is heavily involved in learning fear responses
Definition
Emylgalda
Term
If Trams _____ was damaged, Tram would have difficulty forming new memories.
Definition
Hippocampus
Term
the right and left hemispheres of the cerebrum are called _______.
Definition
cerebral hemispheres
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