this system includes all of the nervous system throughout the rest of the body
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what is synaptic transmission?
the process by which nerve impulses are carried across the small gap, the synapse, between one neutron and another. The nerve impulse is an electrical signal which is carried by chemicals called neurotransmitters.
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what is the purpose of excitatory potentials?
increase the chance of a neutron firing
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what is the purpose of inhibitory potentials?
decrease the chance of a neutron firing
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what is the hypothalamus?
a part of the brain which is located in the centre of the brain and deals with basic survival functions
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what is the adrenal gland?
The gland in the adrenal system that releases adrenaline
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what is the adrenal medulla?
the central part of the adrenal gland
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what is localisation?
In terms of the brain, this means the part of the brain in which a function is carried out
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what is contralateral?
when the right hemisphere deals with the left-hand side of the body and vice versa
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what is hemispheric lateralisation?
this is when one hemisphere carries out a particular function
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what is Functional Magnetic Resonance Imaging (fMRI)?
a technique of brain scanning that uses a magnetic field and radio signals to monitor the blood flow in the brain.
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what is Electroencephalogram (EEG)?
a method of measuring brain activity using electrodes on the scalp
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what is the Event-related potentials (ERPs)?
a method of measuring brain activity in response to a stimulus
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what are circadian rhythms?
biological rhythms that occur every 24 hours
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what are endogenous pacemakers?
internal body 'clocks' that regulate biological rhythms such as regular times of sleep linked to levels of light
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what are exogenous zeitgebers?
external stimuli, such as levels of light, temperature and social cues, which influence biological rhythms
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what are infradian rhythms?
biological rhythms that occur less than once a day
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what are ultradian rhythms?
biological rhythms that occur more than once a day
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Other cards in this set
Card 2
Front
What is the peripheral nervous system (PNS)?
Back
this system includes all of the nervous system throughout the rest of the body
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