NS
sensory information coming
into the central nervous system
afferent
chemicals that can enhance the effects of neurotransmitters.
Neuromodulators
If someone is suffering from low mood and depressive symptoms, a possible cause may be the result of a decrease in which neuromodulator?
Serotonin
A sub-division of the peripheral nervous
system responsible for voluntary movement
somatic nervous system
an automatic response that occurs in the spinal cord
spinal reflex
Serotonin is a neuromodulator that plays an important role in.... Give 2 examples
mood stabiliser
wellbeing
happiness
digestion
sleep
The primary inhibitory neurotransmitter
in the central nervous system,
making postsynaptic neurons less
likely to fire
GABA (Gamma- amino butyric acid)
primary excitatory neurotransmitter
in the central nervous system,
making postsynaptic neurons more
likely to fire
glutamate
Which neurons does the spinal cord contain?
Sensory neurons, motor neurons, and interneurons.
A hormone that is produced by the
nervous system, not endocrine glands,
and that acts as a chemical messenger,
for example, noradrenalin
Neurohormone
Give 2 examples of physiological responses that happen in sympathetic nervous system arousal
Any of 2 below:
Dilated pupil
Increased Heart beat
Increased breathing
Glucose release by liver
Bladder releaxed
Adrenaline release
Digestion inhibited
What is one physical function of dopamine?
It facilitates smooth movement
What is synaptic pruning?
Pruning is the elimination of synaptic connections that are not adequately activated
What is synaptic sprouting?
the ability of dendrites or axons to develop new extensions or branches, enabling the formation of new synaptic connections.
The reduction of synaptic strength due to neural disuse over time is referred to as…
long-term depression