feedback system

a circuit in which output information (e.g., biological, mechanical) is used to modulate the input to the same circuit. In a negative feedback system, the output is used to reduce the input; such systems play important roles in maintaining equilibrium of processes within organisms. See homeostasis; positive feedback.

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Psychology term of the day

October 31st 2024

nail biting

the compulsive habit of chewing on one’s fingernails, usually thought to be a means of releasing tension.