Examlex
According to the text, a major component in people's ratings of attraction is
Neurotransmitter
Substances that act as intermediaries, sending signals from one nerve cell to another neuron, muscle cell, or gland cell across a chemical synapse.
Dopamine
A neurotransmitter involved in reward, motivation, and pleasure systems in the brain, influencing both movement and emotional responses.
Serotonin
A neurotransmitter in the brain that contributes to feelings of well-being and happiness.
All Or None Law
A principle stating that the strength of a response of a nerve cell or muscle fiber is not dependent on the strength of the stimulus.
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