Examlex
-Letter C in the figure is an example of a condition called ________, in which a shortened eyeball causes light rays to be focused behind the retina.
Neurotransmitters
Chemical substances in the brain that transmit signals between neurons, influencing various functions such as mood, sleep, and appetite.
Serotonin
A neurotransmitter involved in the regulation of mood, appetite, sleep, memory, and learning.
Norepinephrine
A neurotransmitter and hormone involved in the body's response to stress, also playing a key role in alertness and the fight-or-flight response.
Id
In psychoanalytic theory, the part of the personality that contains our primitive impulses such as sex, anger, and hunger, and operates on the pleasure principle.
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