3/28/2024 0 Comments Subnautica early access releasePleasure may be rewarding, but other reinforcers such as glucose in the gut may be rewarding without the conscious experience of pleasure. It is often assumed that rewards are pleasurable, but see below for evidence to the contrary. Reward, or reinforcement, has traditionally had a rather circular definition as that which increases the probability of the behavior that precedes it. We take wanting to mean desire and will discuss evidence showing that it is possible to want a stimulus without liking it. Liking is synonymous with pleasantness or the evaluative response to a stimulus. Liking is defined as the hedonic response to a stimulus. Yet there tends to be a great deal of confusion over the definitions of and the relations among these terms. In such discussions, the terms liking, wanting, and reward are frequently used. ![]() ![]() If food is addictive then other questions arise such as: “Is food then bad for us? Is palatable food particularly bad for us? Should we then outlaw extremely palatable food? Will the obesity epidemic go away if we all stick to gruel?” Drug addicts crave, but do not enjoy, a drug ( 1). Most of the evidence for or against addiction (now called dependency in the Diagnostic and Statistical Manual of Mental Disorders) focuses on similarities and differences between food craving and drug craving. This is a brief review of the concept of food addiction in humans.
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