Food after deprivation rewards the earlier eating
نویسندگان
چکیده
منابع مشابه
Food after deprivation rewards the earlier eating.
Food intake can be increased by learning to anticipate the omission of subsequent meals. We present here a new theory that such anticipatory eating depends on an associative process of instrumental reinforcement by the nutritional repletion that occurs when access to food is restored. Our evidence over the last decade from a smooth-brained omnivore has been that food after deprivation rewards i...
متن کاملHypocretin release in normal and narcoleptic dogs after food and sleep deprivation, eating, and movement.
Hypocretins (orexins) are recently discovered hypothalamic neuropeptides that have been implicated in the etiology of narcolepsy. The normal behavioral functions of these peptides are unclear, although a role in feeding has been suggested. We measured hypocretin-1 (Hcrt-1) in the cerebrospinal fluid of dogs during a variety of behaviors. We found that 48 h without food (24 h beyond normal 24-h ...
متن کاملFood deprivation and emotional reactions to food cues: implications for eating disorders.
Two studies examined emotional responding to food cues. In experiment 1, normal college students were assigned to 0-, 6- or 24-h of food deprivation prior to presentations of standard emotional and food-related pictures. Food deprivation had no impact on responses elicited by standard emotional pictures. However, subjective and psychophysiological reactions to food pictures were affected signif...
متن کاملSleep Deprivation Effects on Monetary Rewards
899 Sleep Deprivation Effects on Monetary Rewards—Libedinsky et al INTRODUCTION An increasing number of persons do not get adequate sleep.1 Experimentally induced sleep deprivation has been shown to affect decision-making, including risky behavior, in simulated real-world scenarios2,3 and laboratory settings.4-8 Increased risk taking in these studies could have arisen from altered valuation of ...
متن کامل'Liking' and 'wanting' food rewards: brain substrates and roles in eating disorders.
What brain reward systems mediate motivational 'wanting' and hedonic 'liking' for food rewards? And what roles do those systems play in eating disorders? This article surveys recent findings regarding brain mechanisms of hedonic 'liking', such as the existence of cubic-millimeter hedonic hotspots in nucleus accumbens and ventral pallidum for opioid amplification of sensory pleasure. It also con...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Appetite
سال: 2012
ISSN: 0195-6663
DOI: 10.1016/j.appet.2012.07.014