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排序方式: 共有318条查询结果,搜索用时 15 毫秒
261.
Ivo Vlaev Molly J. Crockett Luke Clark Ulrich Müller Trevor W. Robbins 《Cognitive, affective & behavioral neuroscience》2017,17(3):542-553
Serotonin has been implicated in promoting self-control, regulation of hunger and physiological homeostasis, and regulation of caloric intake. However, it remains unclear whether the effects of serotonin on caloric intake reflect purely homeostatic mechanisms, or whether serotonin also modulates cognitive processes involved in dietary decision making. We investigated the effects of an acute dose of the serotonin reuptake inhibitor citalopram on choices between food items that differed along taste and health attributes, compared with placebo and the noradrenaline reuptake inhibitor atomoxetine. Twenty-seven participants attended three sessions and received single doses of atomoxetine, citalopram, and placebo in a double-blind randomised cross-over design. Relative to placebo, citalopram increased choices of more healthy foods over less healthy foods. Citalopram also increased the emphasis on health considerations in decisions. Atomoxetine did not affect decision making relative to placebo. The results support the hypothesis that serotonin may influence food choice by enhancing a focus on long-term goals. The findings are relevant for understanding decisions about food consumption and also for treating health conditions such as eating disorders and obesity. 相似文献
262.
Molly Brigid Flynn 《Husserl Studies》2009,25(1):57-79
Husserl’s philosophy of culture relies upon a person’s body being expressive of the person’s spirit, but Husserl’s analysis
of expression in Logical Investigations is inadequate to explain this bodily expressiveness. This paper explains how Husserl’s use of “expression” shifts from LI to Ideas II and argues that this shift is explained by Husserl’s increased understanding of the pervasiveness of sense in subjective
life and his increased appreciation for the unity of the person. I show how these two developments allow Husserl to better
describe the bodily expressiveness that is the source of culture. Husserl’s account of culture is thoroughly intentionalistic,
but it does not emphasize thought at the expense of embodiment. Culture originates not in an abstract subjectivity, but by
persons’ expressing themselves physically in the world. By seeing how Husserl develops his mature position on bodily expressiveness,
we can better appreciate the meaningfulness and the bodily concreteness of cultural objects.
相似文献
Molly Brigid FlynnEmail: |
263.
Rebecca L. Brock Molly R. Franz Jessica J. O'Bleness Erika Lawrence 《Family process》2019,58(4):891-907
Substantial research supports bidirectional links between intimate relationship discord and individual psychopathology, including depressive symptoms. However, few studies have utilized daily diary methods to capture the micro‐level processes underlying the association between couple discord and depression, particularly among populations that are at elevated risk for both interpersonal and individual dysfunction. To address this gap, we examined whether daily changes in satisfaction with relationship functioning were associated with daily changes in negative affect and positive affect over the span of 2 weeks among mental health outpatients of low socioeconomic status. Participants were 53 low‐income outpatients from community mental health clinics who completed a semi‐structured interview about the quality of their intimate relationships followed by 14 daily reports of positive and negative mood and satisfaction with relationship functioning across several domains. Growth curve analytic techniques revealed the hypothesized bidirectional relations. Decline in satisfaction with relationship functioning predicted escalation in negative affect and deterioration in positive affect over 2 weeks, and deterioration of mood predicted declining satisfaction with relationship functioning. This study extends existing knowledge about couple dysfunction and individual psychopathology by highlighting the immediate nature of this dynamic process as it unfolds over time. 相似文献
264.
Putting feelings into words: affect labeling disrupts amygdala activity in response to affective stimuli 总被引:6,自引:0,他引:6
Lieberman MD Eisenberger NI Crockett MJ Tom SM Pfeifer JH Way BM 《Psychological science》2007,18(5):421-428
Putting feelings into words (affect labeling) has long been thought to help manage negative emotional experiences; however, the mechanisms by which affect labeling produces this benefit remain largely unknown. Recent neuroimaging studies suggest a possible neurocognitive pathway for this process, but methodological limitations of previous studies have prevented strong inferences from being drawn. A functional magnetic resonance imaging study of affect labeling was conducted to remedy these limitations. The results indicated that affect labeling, relative to other forms of encoding, diminished the response of the amygdala and other limbic regions to negative emotional images. Additionally, affect labeling produced increased activity in a single brain region, right ventrolateral prefrontal cortex (RVLPFC). Finally, RVLPFC and amygdala activity during affect labeling were inversely correlated, a relationship that was mediated by activity in medial prefrontal cortex (MPFC). These results suggest that affect labeling may diminish emotional reactivity along a pathway from RVLPFC to MPFC to the amygdala. 相似文献
265.
Frantz CM Cuddy AJ Burnett M Ray H Hart A 《Personality & social psychology bulletin》2004,30(12):1611-1624
Three experiments test whether the threat of appearing racist leads White participants to perform worse on the race Implicit Association Test (IAT) and whether self-affirmation can protect from this threat. Experiments 1 and 2 suggest that White participants show a stereotype threat effect when completing the race IAT, leading to stronger pro-White scores when the test is believed to be diagnostic of racism. This effect increases for domain-identified (highly motivated to control prejudice) participants (Experiment 2). In Experiment 3, self-affirmation inoculates participants against stereotype threat while taking the race IAT. These findings have methodological implications for use of the race IAT and theoretical implications concerning the malleability of automatic prejudice and the potential interpersonal effects of the fear of appearing racist. 相似文献
266.
The clinical features of Obsessive-Compulsive Disorder (OCD) suggest that a fundamental deficit of inhibitory control is intrinsic to the disorder. In this preliminary study, we sought to examine cognitive disinhibition in OCD by using an established laboratory technique. The stop signal task was administered to a higher functioning, untreated group of individuals with OCD, and to healthy comparison participants. Surprisingly, the OCD participants exhibited more accurate performance, suggesting better inhibitory control on this task. This unexpected finding suggests that higher functioning individuals with OCD are capable of adequate inhibition in certain contexts. It was speculated, however, that emotional stimulation might negatively affect performance and that this might be studied in subsequent research. 相似文献
267.
268.
In this study, the authors investigate emotional understanding in autism through a discourse analytic framework to provide a window into children's strategies for interpreting emotional versus nonemotional encounters and consider the implications for the mechanisms underlying emotional understanding in typical development. Accounts were analyzed for thematic content and discourse structure. Whereas high-functioning children with autism were able to discuss contextually appropriate accounts of simple emotions, their strategies for interpreting all types of emotional (but not nonemotional) experiences differed from those used by typically developing children. High-functioning children with autism were less inclined to organize their emotional accounts in personalized causal-explanatory frameworks and displayed a tendency to describe visually salient elements of experiences seldom observed among comparison children. Findings suggest that children with autism possess less coherent representations of emotional experiences and use alternative strategies for interpreting emotionally evocative encounters. Discussion focuses on the significance of these findings for informing the nature of emotional dysfunction in autism as well as implications for theories of emotional understanding in typical development. 相似文献
269.
Gahl S Menn L Ramsberger G Jurafsky DS Elder E Rewega M Audrey LH 《Brain and cognition》2003,53(2):223-228
This study investigates three factors that have been argued to define "canonical form" in sentence comprehension: Syntactic structure, semantic role, and frequency of usage. We first examine the claim that sentences containing unaccusative verbs present difficulties analogous to those of passive sentences. Using a plausibility judgment task, we show that a mixed group of aphasics performed significantly better on unaccusatives than on passives. We then turn to the observation that passives are generally harder than actives for aphasics. We show that this effect is modulated by lexical bias, i.e., the likelihood that a verb appears in a given syntactic structure: Passives of passive-bias verbs were significantly easier than passives of active-bias verbs. More generally, sentences whose structure matches the lexical bias of the main verb are significantly easier than sentences in which structure and lexical bias do not match. These findings suggest that "canonical form" reflects frequency and lexical biases. 相似文献
270.
Three studies examined the impact of stereotype messages on men’s and women’s performance of a mental rotation task involving
imagined self-rotations. Experiment 1 established baseline differences between men and women; women made 12% more errors than
did men. Experiment 2 found that exposure to a positive stereotype message enhanced women’s performance in comparison with
that of another group of women who received neutral information. In Experiment 3, men who were exposed to the same stereotype
message emphasizing a female advantage made more errors than did male controls, and the magnitude of error was similar to
that for women from Experiment 1. The results suggest that the gender gap in mental rotation performance is partially caused
by experiential factors, particularly those induced by sociocultural stereotypes. 相似文献