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Kent C. Berridge Jay Schulkin 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》1989,41(2):121-138
Previous studies of natural palatability-sensitive reactions, elicited from rats by tastes, have indicated that the taste of concentrated NaCl becomes more palatable during states of body sodium depletion. A training procedure based upon “sensory preconditioning” or “irrelevant incentive” designs was used here to establish gustatory conditioned labels (quinine or citric acid) for either NaCl or fructose while rats were in a normal physiological state. Experiment 1 replicated demonstrations by others that gustatory conditioned labels for salt can attract and act as independent incentives during the salt appetite induced by sodium depletion. Experiment 2 used the taste reactivity measure to show that the enhanced palatability of the taste of NaCl transfers to produce enhanced palatability of the taste of the isolated conditioned label for salt in a state-dependent fashion. These results offer further support for the proposition that conditioned incentives not only predict hedonic events to follow, but themselves become attributed with the hedonic properties of their reinforcers. 相似文献
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Inhibition of return (IOR) refers to a processing disadvantage at a recently attended location. It is generally agreed that
when elicited in a cue-target task, IOR will not be apparent until attention is disengaged from the originally cued location
and returned to a neutral state. Here we test the hypothesis that when such disengagement is dependent on endogenous control,
a secondary task that taxes working memory capacity should delay the appearance of IOR. Participants were given a six-item
verbal working memory load prior to the peripheral cue in a cue-target detection task. Consistent with the hypothesis, the
appearance of IOR was delayed on trials for which participants had to hold information in working memory. Converging evidence
was derived from a second experiment in which the time course of IOR’s appearance, when we added a central cue to exogenously
remove attention from the peripheral cue, was unaffected by the memory load. 相似文献
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Fitts's law holds that movement time (MT) increases with longer distances. Here we report a violation of this law: When the target appears in a structured, linear display with placeholders indicating the possible target locations, MT to the most distant target is not longer than MT to the second most distant target, but rather tends to be shorter. Furthermore, the presence of placeholders attenuates the range effect that occurs in the absence of placeholders. These findings suggest that Fitts's law may be limited to egocentric visuomotor action, and that the visual control of hand movements may use allocentric, in addition to egocentric, spatial information. 相似文献
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Neely LC Lakey B Cohen JL Barry R Orehek E Abeare CA Mayer W 《Journal of personality》2006,74(4):1015-1046
This study investigated the extent to which the link between perceived social support and affect reflected support recipients' trait perceived support as well as three distinct social processes: the objective supportiveness of providers, the unique relationships among recipients and providers that were stable over occasions, as well as the unique relationships that varied across occasions. Ten recipients interacted with each of the same four providers on five separate occasions, for a total of 200 interactions. Recipients and independent observers rated recipient affect and provider support. Greater perceived support was related to greater positive affect for recipients' trait perceived support, as well as for relationships that were stable over occasions and relationships that varied across occasions. No social support effects were found for negative affect. Perceived similarity was a consistent predictor of recipients' support perceptions. Implications for social support models and interventions were discussed. 相似文献
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Comments on Evolutionary psychology: Controversies, questions, prospects, and limitations (see record 2010-02208-001) by Confer et al. They argued that SST cannot explain the existence of either homosexuality or suicide within the human species. We contend that a sufficiently nuanced evolutionary position has no difficulties explaining either phenomenon. Also in this account, it is assumed that all psychological functioning must serve survival and reproduction. However, since evolution selects against certain qualities (it does not select for qualities, as it is commonly, but incorrectly, described), two types of qualities should remain intact for any species: (a) those that facilitate survival and reproduction and (b) those that do not impede survival and reproduction at the population level. 相似文献