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751.
752.
The present research examined when self-evaluation influences creativity. Based on objective self-awareness theory, the authors predicted that feeling able to improve would buffer against the detrimental effects of self-evaluation on creativity. Two experiments manipulated self-evaluation (varying self-awareness, Study 1; providing objective performance standards, Study 2) and perceived ability to improve potential failure on the creativity task. Self-evaluation reduced creativity (generating remote associates, finding unusual uses for a knife) in both experiments, but only when people did not expect to improve. When people felt able to improve, self-evaluation did not affect creativity. Connections between self-motives, creativity, and defensiveness are discussed. 相似文献
753.
Suzanne?C.?ThompsonEmail author Diana?Kyle Andrea?Osgood Ryan?M.?Quist David?J.?Phillips Marla?McClure 《Motivation and emotion》2004,28(4):315-330
An experiment was done to examine the control heuristic perspective on illusory control and the effects of motives on control judgments, using a computer task similar to the light onset task used in previous research. Desire for the outcome and reinforcement were manipulated. As predicted from a control heuristic perspective, the effect of level of reinforcement on judgments of personal control was mediated by the measure of perceived connection: the perception of the number of positive confirming cases. Motives increased illusions of control, but only in the high reinforcement condition. A mediational analysis that examined how motives affect control judgments found that when the motive to get the outcomes was high, participants had higher estimates of having acted intentionally and these estimates partially mediated the relationship between the motivation manipulation and judgments of control. It appears that perceptions of connection mediate the relationship between reinforcement and illusory control, while judgments of intentionality partially mediate the effect of motives for control and illusory control. 相似文献
754.
Phillips KA Goodchild LM Haas ME Ulyan MJ Petro S 《Journal of comparative psychology (Washington, D.C. : 1983)》2004,118(2):200-205
Experiments were conducted to investigate which sensory cues are used by brown capuchins (Cebus apella) in embedded invertebrate foraging. The importance of visual, olfactory, and acoustic cues in such foraging was determined by presenting subjects with a stimulus log modified to block out given sensory cues. Experiment 1 was designed to investigate whether subjects could locate an invertebrate embedded in wood when only visual, acoustic, or olfactory information was available. Experiments 2 and 3 were designed to investigate extractive foraging behavior when two sensory cues were provided. It was hypothesized that the combination of visual and acoustic information would be necessary for subjects to successfully locate embedded invertebrates. Results indicated that subjects' performance was most successful when both visual and acoustic information was available. 相似文献
755.
Despite its heterogeneous symptomatology, obsessive-compulsive disorder (OCD) is currently conceptualized as a unitary diagnostic entity. Recent factor-analytic studies have identified several OCD symptom dimensions that are associated with different demographic variables, comorbidity, patterns of genetic transmission, and treatment response. Functional abnormalities in neural systems important for emotion perception, including the orbitofrontal cortex, lateral prefrontal cortex, anterior cingulate gyrus, and limbic regions, have been reported in OCD. In this review, we discuss the extent to which neurobiological markers may distinguish these different symptom dimensions and whether specific symptom dimensions, such as contamination/washing, are associated with abnormalities in emotion and, in particular, disgust, perception in OCD. Also discussed are findings that indicate that anxiety can be induced in healthy volunteers in response to OCD symptom-related material, and that associated increases in activity within neural systems important for emotion perception occur to washing- and hoarding-related material in particular in these subjects. Further examination of neural responses during provocation of different symptom dimensions in OCD patients will help determine the extent to which specific abnormalities in neural systems underlying emotion perception are associated with different symptom dimensions and predict treatment response in OCD. 相似文献
756.
Douglas Walton 《Philosophia》2006,34(3):355-376
In this paper, the traditional view that argumentum ad ignorantiam is a logical fallacy is challenged, and lessons are drawn on how to model inferences drawn from knowledge in combination with ones drawn from lack of knowledge. Five defeasible rules for evaluating knowledge-based arguments that apply to inferences drawn under conditions of lack of knowledge are formulated. They are the veridicality rule, the consistency of knowledge rule, the closure of knowledge rule, the rule of refutation and the rule for argument from ignorance. The basic thesis of the paper is that knowledge-based arguments, including the argument from ignorance, need to be evaluated by criteria for epistemic closure and other evidential rules that are pragmatic in nature, that need to be formulated and applied differently at different stages of an investigation or discussion. The paper helps us to understand practical criteria that should be used to evaluate all arguments based on knowledge and/or ignorance.
相似文献
Douglas WaltonEmail: |
757.
A number of recent electrophysiological studies of sentence processing have shown that a subclass of syntactic violations elicits very rapid ERP responses, occurring within around 200 ms of the onset of the violation. Such findings raise the question of how it is possible to diagnose violations so quickly. This paper suggests that very rapid diagnosis of errors is possible specifically in situations where the diagnosis problem is tightly constrained by specific expectations generated before the critical word is presented. In an event-related potentials (ERP) study of visual sentence reading participants encountered violations of a word order constraint (...Max's of...) that has elicited early ERP responses in previous studies. Across conditions the illicit sequence was held constant, while sentence context was used to manipulate the expectation for a noun following the possessor Max's, by manipulating the possibility of ellipsis of the head noun. Results showed that the anterior negativity elicited by the word category violation was attenuated when the availability of ellipsis reduced the expectation for a noun in the position of the offending preposition of, with divergence between conditions starting around 200 ms after the onset of the violation. This suggests a role for structural expectations in accounting for very fast syntactic diagnosis processes. 相似文献
758.
Roberto J. Walton 《Husserl Studies》2003,19(3):251-252
Volume Contents
Index to Volume 19 相似文献759.
Clinical reports of depersonalization suggest that attenuated emotional experience is a central feature of the condition. Patients typically complain of emotional numbness and some patients ascribe their feelings of unreality to a lack of affective "colouring" in things perceived. Recent neuroimaging and psychophysiological studies support these assumptions as they show both attenuated autonomic responses in depersonalization, and decreased activity within neural regions important for the generation of affective responses to emotive stimuli. Furthermore, findings from neuroimaging studies indicate increased prefrontal cortical activity in depersonalised patients, particularly within regions associated with contextualization and appraisal of emotionally-salient information rather than mood induction per se. Taken together, these finding suggest that symptoms of depersonalization, and in particular emotional numbing, may be related to a reversal of normal patterns of autonomic and neural response to emotive stimuli. 相似文献
760.