Examlex
A reinforcer that is reinforcing in and of itself is called a ________ reinforcer.
Depression
A mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.
Acetylcholine
A neurotransmitter in the central and peripheral nervous systems that plays a key role in muscle activation and memory.
Muscle Contraction
The process in which muscle fibers shorten or lengthen, producing movement or maintaining posture.
Neurotransmitter
Chemicals in the nervous system that transmit signals across a chemical synapse from one neuron (nerve cell) to another 'target' neuron.
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