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Moreover, aIC → NTS activity neither drives reinforcement nor influences total consumption. Notably, aIC Fezf2 neurons do not represent taste or valence. Correspondingly, aIC → NTS circuit activity controls vigor, effort, and striatal dopamine release but only if the action is learned and the outcome is needed. aIC Fezf2 neurons and their postsynaptic NTS neurons acquire anticipatory activity through learning, which encodes the perceived value and the vigor of actions to pursue homeostatic needs. Here, we show that aIC neurons expressing Fezf2 (aIC Fezf2), which are the pyramidal tract neurons, signal motivational vigor and invigorate need-seeking behavior through projections to the brainstem nucleus tractus solitarii (NTS).
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COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today. Rigor mortis (Latin: rigor 'stiffness', and mortis 'of death'), or postmortem rigidity, is the third stage of death.It is one of the recognizable signs of death, characterized by stiffening of the limbs of the corpse caused by chemical changes in the muscles postmortem (mainly calcium).Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. This Time in History In these videos, find out what happened this month (or any month!) in history.Synonyms & Antonyms Example Sentences Phrases Containing vigor Learn More About vigor. 3 : intensity of action or effect : force. 2 : active healthy well-balanced growth especially of plants. #WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find. 1 : active bodily or mental strength or force.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.
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Volunteers in Government of Responsibility (New Orleans, LA) Note: We have 1 other definition for VIGOR in our Acronym Attic. vigor: 1 n forceful exertion Synonyms: energy, vigour, zip Types: athleticism, strenuosity intense energy Type of: force, forcefulness, strength physical energy or intensity n active strength of body or mind Synonyms: dynamism, heartiness, vigour Type of: strength the property of being physically or mentally strong n an imaginative. Vegetarian Information Group of Rochester (Rochester, MN) VIGOR. Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives. Vioxx Gastrointestinal Outcomes Research.
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