Examlex
Jamal works for a department store that pays him $50 for every three bicycles he assembles; thus, Jamal is on a variable interval schedule of reinforcement.
Endorphins
Neurotransmitters produced by the brain that act as natural painkillers and are also associated with feelings of pleasure or euphoria.
Neurotransmitters
Chemical messengers that transmit signals across a synapse from one neuron to another in the brain and nervous system.
Norepinephrine
A neurotransmitter involved in arousal and the regulation of blood pressure, mood, and sleep cycles.
Tremors
Involuntary, rhythmic muscle contractions leading to shaking movements in one or more parts of the body.
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