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101.
J. J. Furedy O. Algan A. Vincent S. Demirgoren S. Pogun 《Integrative psychological & behavioral science》1999,34(4):219-226
In a two-day, two-session experiment where smokers male and female college-student subjects worked on a cognitive verbal task
during either the first or second day, and on a cognitive spatial task on the second or first day, smoking was manipulated
as an acute independent variable by requiring 10+ hours of pre-experimental abstention, and providing a cigarette during the
15-minute rest period between the two sessions. Non-smoker female and male subjects underwent the same experiment, and hence
served as controls for the effects of this acute-smoking manipulation. Overall adaptation (decreased arousal) to the experiment
was manifested in a significant increase in skin resistance level (SRL) in all subjects, but when this adaptation effect was
statistically controlled, there was a significant smokers by sex interaction during the verbal task only, such that SRL was
increased by the cigarette in males, but decreased in females. In contrast, the same analysis indicated only a marked increase
in heart-rate (HR) due to smoking, which was unaffected either by sex or by whether the task was the verbal or the (easier)
spatial one. We interpret the SRL results as reflecting a sex difference in the direction of transient psychological arousal,
and discuss it in relation to evidence in the literature based on self reports, and to evidence (based on HR in this study
and on blood pressure in other studies) on physiological (cardiovascular) arousal. 相似文献
102.
In Experiment 1 rats were trained to press a lever on a variable-ratio schedule of food presentation and were then exposed to progressively increasing magnitudes of food reinforcement. Response running rates (rates exclusive of the postreinforcement pause) were found to increase as a function of increasing reinforcement magnitudes. The effect of reinforcement magnitude on response rates inclusive of the postreinforcement pause, however, was less pronounced. Increases in the magnitude of reinforcement were also found to increase the length of the postreinforcement pause. Rats in Experiment 2 were trained to respond on a chained differential-reinforcement-of-low-rate variable-ratio schedule, and were exposed to increasing magnitudes of reinforcement as in Experiment 1. Response running rates increased in the variable-ratio component but decreased in the other component of the schedule. The results are discussed with reference to incentive accounts of reinforcement and the action of reinforcement on the response units generated by the operative contingencies. 相似文献
103.
Realizing that scientific knowledge was not based on a simple disclosure of reality, but was rather invented and developed in accordance with our own conceptions and prejudices, it should no longer be possible to consider matters as if they existed independently of us out there.Taking as examples the notions of memory and information we try to elucidate the relevance this perspective has with respect to neuro- and psychophysiological research. 相似文献
104.
105.
采用自我报告和生理反馈法,从强度、纯度、时间进程三方面考察图片、音乐、电影和回忆四种常用情绪诱发方法诱发出的高兴、激动、悲伤和恐惧四种不同维度的情绪的有效性。得出结论:(1)总体上,音乐诱发情绪的强度最高,图片最低;在积极情绪中,音乐诱发的强度普遍较高,图片较低;消极情绪中,回忆诱发的强度普遍较高,音乐较低。(2)音乐诱发情绪的纯度较高,图片较低。(3)效价和激活度不同,情绪的时间进程不同,高兴能持续将近1分钟,激动能持续2分30秒,悲伤能持续1分30秒,而恐惧能持续2分钟。 相似文献
106.
Michael Vesker Daniela Bahn Franziska Degé Christina Kauschke Gudrun Schwarzer 《European Journal of Developmental Psychology》2018,15(4):411-425
Arousal and valence have long been studied as the two primary dimensions for the perception of emotional stimuli such as facial expressions. Prior correlational studies that tested emotion perception along these dimensions found broad similarities between adults and children. However, few studies looked for direct differences between children and adults in these dimensions beyond correlation. We tested 9-year-old children and adults on rating positive and negative facial stimuli based on emotional arousal and valence. Despite high significant correlations between children’s and adults’ ratings, our findings also showed significant differences between children and adults in terms of rating values: Children rated all expressions as significantly more positive than adults in valence. Children also rated positive emotions as more arousing than adults. Our results show that although perception of facial emotions along arousal and valence follows similar patterns in children and adults, some differences in ratings persist, and vary by emotion type. 相似文献
107.
We investigated whether circadian arousal affects perceptual priming as a function of whether stimuli were attended or ignored during learning. We tested 160 participants on- and off-peak with regards to their circadian arousal. In the study phase, they were presented with two superimposed pictures in different colours. They had to name the pictures of one colour while ignoring the others. In the test phase, they were presented with the same and randomly intermixed new pictures. Each picture was presented in black colour in a fragment completion task. Priming was measured as the difference in fragmentation level at which the pictures from the study phase were named compared to the new pictures. Priming was stronger for attended than ignored pictures. Time of day affected priming only for ignored pictures, with stronger priming effects off-peak than on-peak. Thus, circadian arousal seems to favour the encoding of unattended materials specifically at off-peak. 相似文献
108.
Rutter M 《Journal of abnormal child psychology》2005,33(4):499-503
The concept and measurement of psychopathy in young people is discussed with respect to five key issues: (1) the respective merits of self-reports and ratings by others; (2) whether callous/unemotional (CU) features may be more appropriately tapped by physiological measures; (3) the possible utility of genetic studies; (4) the distinctiveness of CU from other risk factors for antisocial behavior; and (5) the homogeneity of CU as a construct. 相似文献
109.
Affective responses during exercise have been identified as a predictor of exercise adherence. However, research has been mostly limited to aerobic and resistance exercise. Considering that stretching activities are also an important component of physical fitness, this quasi-experimental study was designed to: 1) compare affective responses during and immediately after stretching exercises in apparently healthy adults, and 2) assess the consistency and repeatability of affect ratings obtained one week apart. For this purpose, we analyzed the Feeling Scale (FS) and Felt Arousal Scale (FAS) ratings using Time (during and after stretching) x Intensity (light, moderate, vigorous) x Stretched Muscle Group (quadriceps, hamstrings, glutes, latissimus dorsi, triceps) with repeated measures analysis of variance (ANCOVA) in 34 participants (21 males; aged 32.8 ± 8.6 years). The repeatability of FS and FAS ratings was assessed using two-way random-effects models, Intraclass Correlation Coefficients (ICC), and Bland-Altman plots. FS scores were higher following the stretching exercises, whereas FAS scores were lower, particularly in the vigorous intensity. In general, the inter-day repeatability for FS and FAS measurements was good across muscle groups. ICC tended to be higher at vigorous intensities. Ratings of core affect can be collected during static passive stretches using the FAS and FAS in ecologically valid settings. These results suggest that an adequate assessment of core affective responses to stretching activities should be performed during the exercises. 相似文献
110.
HEGE R. ERIKSEN MIRANDA OLFF CHRIS MANN MAURICE B. STERMAN HOLGER URSIN 《Scandinavian journal of psychology》1996,37(4):351-361
The aim of this study was to examine the relationship between psychological defense as measured by the Kragh tachistoscopic Defense Mechanisms Test (DMT), and general arousal properties of the individual as measured with electroencephalogram (EEG). The DMT assesses defense by presenting neutral and threatening pictures with very short exposure times. EEG characteristics were measured in the 8–12 Hz EEG frequency band during DMT testing. Twenty-one male subjects participated in the study. All were US Air Force personnel on active duty. Personnel with high defense mechanisms, defined in this connection as slow perception of the threat, tended to have higher cortical arousal after Stimulus exposure than the subjects with low defense mechanisms. The differences occurred mainly with new stimulus material without any threatening content. The differences in arousal response to novel stimuli may contribute to an understanding of the relationships between the Kragh DMT test and performance in life-threatening situations. 相似文献