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81.
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Nigel Harvey 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1984,36(1):89-115
Subjects matched the position (high or low) of a first stimulus with either the position or the meaning of a word (HI or LO) presented after an interstimulus interval (ISI). The form of the first stimulus (X or O) varied randomly within trial blocks and specified the relevant feature (meaning or position) of the second stimulus to the subject. When the relevant feature was meaning, Stroop interference from the second stimulus position was observed. This interference decreased as ISI increased. At the longest ISI, it was eliminated completely. A number of explanations for these effects are discussed and then tested in two further matching experiments. In a fourth experiment a similar decrease in interference was observed. These reductions in interference with increase in ISI appear to represent the development of attentional focusing on the relevant feature of the second stimulus. Stroop interference may occur in experiments where the relevant attribute is constant because of a difficulty associated with repeated focusing on the same attribute. 相似文献
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It is well established that categorising the emotional content of facial expressions may differ depending on contextual information. Whether this malleability is observed in the auditory domain and in genuine emotion expressions is poorly explored. We examined the perception of authentic laughter and crying in the context of happy, neutral and sad facial expressions. Participants rated the vocalisations on separate unipolar scales of happiness and sadness and on arousal. Although they were instructed to focus exclusively on the vocalisations, consistent context effects were found: For both laughter and crying, emotion judgements were shifted towards the information expressed by the face. These modulations were independent of response latencies and were larger for more emotionally ambiguous vocalisations. No effects of context were found for arousal ratings. These findings suggest that the automatic encoding of contextual information during emotion perception generalises across modalities, to purely non-verbal vocalisations, and is not confined to acted expressions. 相似文献
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Danette M. Hann Paul Jacobsen Staci Martin Lora Azzarello Harvey Greenberg 《Journal of clinical psychology in medical settings》1998,5(1):19-33
Clinical reports suggest that fatigue is a common and disruptive long-term side effect of radiotherapy; however, there has been little systematic attention given to this phenomenon. The primary aim of this study was to assess fatigue its impact on quality of life in women who had completed radiotherapy for breast cancer. A key feature of this study was the inclusion of a comparison group of women of similar age with no history of cancer. The results indicated that the fatigue experienced by women after radiotherapy for breast cancer was not significantly different in intensity, duration, or disruptiveness from fatigue experienced by healthy women. In addition, radiotherapy recipients reported a quality of life similar to that of the healthy women. For both groups of women greater fatigue was related to a poorer quality of life. These findings suggest that following radiotherapy for breast cancer, women can expect to experience fatigue which is not worse than what they might normally experience. This information may be a useful part of psychoeducational interventions designed for women scheduled to begin radiotherapy for breast cancer. 相似文献
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Alternating dichotic presentation of tones was compared with monaural presentation in two different perceptual tasks. When Ss were asked to detect higher frequency target tones in fists of six background tones, they missed less than 5%. However, when the presentation was fast (10/sec) and the tones alternated dichotically, Ss reported “hearing” only three or four tones. In two further experiments, Ss were asked to judge the number of tones or to report their spatial and temporal positions; these tasks were much less accurately performed, for the dichotic lists, than the target detection task. The differing effects of switching rate on these tasks are discussed in relation to the types of processing they require. 相似文献
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The effect of list repetition on immediate recall for aurally presented nine-letter lists was studied under two conditions. In the first, a redundant stimulus item was presented as the tenth item in each list, while the suffix was not included in a control condition. As in previous research (Crowder & Morton, 1969), the stimulus suffix selectively interfered with recall at the terminal presentation serial positions, indicating the presence of precategorical acoustic storage. Repetition had a nonselective effect on performance. This result and an analysis of acoustic errors support the inference that qualitative differences in the memory code may lead to differences in other functional properties of the memory trace, such as responsiveness to repetition. 相似文献