"The human brain processes noisy information to help make adaptive choices under uncertainty. Accompanying these decisions about incoming evidence is a sense of confidence: a feeling about whether a decision is correct. Confidence typically covaries with the accuracy of decisions, in that higher confidence is associated with higher decisional accuracy. In the laboratory, decision confidence is typically measured by asking participants to make judgments about stimuli or information (type 1 judgments) and then to rate their confidence on a rating scale or by engaging in wagering (type 2 judgments)..." – By Megan A.K. Peters
"Nicotinic acetylcholine receptors (nAChRs) are present throughout the central nervous system and involved in a variety of physiological and behavioral functions. Nicotinic acetylcholine receptors are receptive to the presence of nicotine and acetylcholine and can be modulated through a variety of agonist and antagonist actions. These receptors are complex in their structure and function, and they are composed of multiple α and β subunits ..." – By Kalynn Schulz, Marcia Chavez and Arthur Castaneda
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