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201.
Boris Kotchoubey Jochen Kaiser Vladimir Bostanov Werner Lutzenberger Niels Birbaumer 《Cognitive, affective & behavioral neuroscience》2009,9(2):153-167
A passive oddball experiment was used in which stimuli were emotional exclamations differing in their affective tone. In both
electroencephalography (EEG) and magnetoencephalography (MEG), deviants elicited an N300 component, sometimes accompanied
by a slow wave. Both components had a symmetrical distribution, but the former was more posterior than the latter. The same
responses to prosodic stimuli were significant in 6 of 27 patients with severe disorders of consciousness (persistent vegetative
state and minimally conscious state) and in all 3 of the examined locked-in patients, indicating that the procedure can be
applied for testing neurological patients. The occurrence of significant responses depended on the presence or absence of
a lesion to the right temporal lobe. Obviously, the N300 depends on the activity of the right temporal cortex but does not
originate there. We suggest that the component is related not to the recognition of affective prosody as such, but to the
following detection of affective mismatch due to violations of emotional context of stimulation. 相似文献
202.
203.
Gerhard Blickle Tassilo Momm Paula B. Schneider Dominic Gansen Jochen Kramer 《International Journal of Selection & Assessment》2009,17(2):142-153
The aim of the present research was to demonstrate that acquisitive self‐presentation in personality scales is not a barrier to their criterion‐related validities in human resource contexts, but rather a means to improve them. A pilot study (Study 1) with 96 job incumbents provided preliminary positive evidence. In Study 2, in the experimental group (n=99), the instructions asked job incumbents to work on a Big‐Five personality inventory (BFI‐K) as if they took part in a personnel selection procedure for a personally very attractive position. In the control group (n=93) of Study 2, job incumbents were asked to answer the inventory items honestly. As expected, the correlation between the self‐ratings of the motive to get along (i.e., which comprises emotional stability, conscientiousness, and agreeableness) and contextual performance assessments was significantly higher in the experimental group than in the control group in Study 2. Additionally, the correlation between the self‐ratings of the motive to get ahead (i.e., which comprises extraversion and openness to experience) and task performance and leadership assessments was significantly higher in the experimental group than in the control group in Study 2. It is proposed that responding to a personality inventory in a human resource decision situation should be conceptualized as a workplace simulation. 相似文献
204.
Martin Ostapczuk Jochen Musch Morten Moshagen 《European journal of social psychology》2009,39(6):920-931
While negative correlations have often been found between a respondent's education and his attitudes towards foreigners, the reasons for this education effect are still under debate. We examined the hypothesis that the highly educated may not be genuinely less xenophobic, but simply more prone to give socially desirable, xenophile answers in attitude questionnaires. We therefore compared the attitudes of respondents who were either questioned directly or using a cheating detection extension of the randomized‐response technique (RRT). The latter is supposed to yield more honest answers to sensitive questions by experimentally offering the interviewee a higher degree of confidentiality. Under direct questioning conditions, we replicated the education effect; 75% of the highly educated expressed xenophile attitudes, as opposed to only 55% of the less educated. Under randomized‐response conditions, we obtained significantly reduced estimates of 53% for the proportion of xenophiles among the highly educated, and 24% among the less educated, indicating a strong distortion of self‐reported attitudes towards foreigners in both groups. However, a significant proportion of participants disobeyed the RRT instructions regardless of education. Because the education effect was found even after controlling for social desirability, it seems to be a genuine effect, rather than an artefact of a differential response bias. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
205.
Reinhold Kliegl Martin Rolfs Jochen Laubrock Ralf Engbert 《Psychological research》2009,73(2):136-146
Covert shifts of attention are usually reflected in RT differences between responses to valid and invalid cues in the Posner
spatial attention task. Such inferences about covert shifts of attention do not control for microsaccades in the cue-target
interval. We analyzed the effects of microsaccade orientation on RTs in four conditions, crossing peripheral visual and auditory
cues with peripheral visual and auditory discrimination targets. Reaction time was generally faster on trials without microsaccades
in the cue-target interval. If microsaccades occurred, the target-location congruency of the last microsaccade in the cue-target
interval interacted in a complex way with cue validity. For valid visual cues, irrespective of whether the discrimination
target was visual or auditory, target-congruent microsaccades delayed RT. For invalid cues, target-incongruent microsaccades
facilitated RTs for visual target discrimination but delayed RT for auditory target discrimination. No reliable effects on
RT were associated with auditory cues or with the first microsaccade in the cue-target interval. We discuss theoretical implications
on the relation about spatial attention and oculomotor processes. 相似文献
206.
Jochen Dreher 《Human Studies》2003,26(2):141-163
This essay presents a phenomenological analysis of the functioning of symbols as elements of the life-world with the purpose of demonstrating the interrelationship of individual and society. On the basis of Alfred Schutz's theory of the life-world, signs and symbols are viewed as mechanisms by means of which the individual can overcome the transcendences posed by time, space, the world of the Other, and multiple realities which confront him or her. Accordingly, the individual's life-world divides itself into the dimensions of time, space, the social world and various reality spheres which form the boundaries or transcendences that the I has to understand and integrate. Signs and symbols are described as appresentational modes which stand for experiences originating in the different spheres of the life-world within the world of everyday life, within which they can be communicated, thereby establishing intersubjectivity. Schutz's theory of the symbol explains how social entities – such as nations, states or religious groups – are symbolically integrated to become components of the individual's life-world. The following paper reconstructs Schutz's concept of the symbol as a crucial component of his theory of the life-world, which is seen as an outstanding phenomenological contribution to the theory of the sign and the symbol in general. 相似文献
207.
The information content of panoramic images I: The rotational errors and the similarity of views in rectangular experimental arenas 总被引:1,自引:0,他引:1
Stürzl W Cheung A Cheng K Zeil J 《Journal of experimental psychology. Animal behavior processes》2008,34(1):1-14
Animals relocating a target corner in a rectangular space often make rotational errors searching not only at the target corner but also at the diagonally opposite corner. The authors tested whether view-based navigation can explain rotational errors by recording panoramic snapshots at regularly spaced locations in a rectangular box. The authors calculated the global image difference between the image at each location and the image recorded at a target location in 1 of the corners, thus creating a 2-dimensional map of image differences. The authors found the most pronounced minima of image differences at the target corner and the diagonally opposite corner--conditions favoring rotational errors. The authors confirmed these results in virtual reality simulations and showed that the relative salience of different visual cues determines whether image differences are dominated by geometry or by features. The geometry of space is thus implicitly contained in panoramic images and does not require explicit computation by a dedicated module. A testable prediction is that animals making rotational errors in rectangular spaces are guided by remembered views. 相似文献
208.
Wegener I Wawrzyniak A Imbierowicz K Conrad R Musch J Geiser F Wermter F Liedtke R 《Psychological reports》2008,103(1):35-47
Attenuated affective processing is hypothesized to play a role in the development and maintenance of obesity. Using an affective priming task measuring automatic affective processing of verbal stimuli, a group of 30 obese participants in a weight-loss program at the Psychosomatic University Clinic Bonn (M age = 48.3, SD = 10.7) was compared with a group of 25 participants of normal weight (M age = 43.6, SD = 12.5). A smaller affective priming effect was observed for participants with obesity, indicating less pronounced reactions to valenced adjectives. The generally reduced affective processing in obese participants was discussed as a possible factor in the etiology of obesity. Individuals who generally show less pronounced affective reactions to a given stimulus may also react with less negative affect when confronted with weight gain or less positive affect when weight is lost. Consequently, they could be expected to be less motivated to stop overeating or to engage in dieting and will have a higher risk of becoming or staying obese. 相似文献
209.
Gebauer JE Broemer P Haddock G von Hecker U 《Journal of personality and social psychology》2008,95(2):470-487
The current research challenges the widespread truism that recalling a positive self necessarily increases self-esteem, whereas recalling a negative self necessarily decreases self-esteem. Four experiments demonstrate that chronically happy people show a relative increase in self-esteem by recalling either a positive or a negative self. Chronically sad people, however, show a relative decrease in self-esteem by recalling either a positive or a negative self. These effects are due to divergent perceptions of mood congruence between the recalled self and the current self. Specifically, happy people perceive high mood congruence between a recalled positive self and the current self but low mood congruence between a recalled negative self and the current self. In contrast, sad people perceive high mood congruence between a recalled negative self and the current self but low mood congruence between a recalled positive self and the current self. Independent of chronic mood, mood congruence leads to perceptions of temporal recency, whereas mood incongruence leads to perceptions of temporal distance. In line with the inclusion-exclusion model of social judgment, perceived temporal recency elicits assimilation effects on self-esteem, whereas perceived temporal distance elicits contrast effects on self-esteem. 相似文献
210.
Feldmann RE Maurer MH Hunzinger C Lewicka S Buergers HF Kalenka A Hinkelbein J Broemme JO Seidler GH Martin E Plaschke K 《Stress (Amsterdam, Netherlands)》2008,11(2):134-147
Chronic stress is associated with hippocampal atrophy and cognitive dysfunction. This study investigates how long-lasting administration of corticosterone as a mimic of experimentally induced stress affects psychometric performance and the expression of the phosphatidylethanolamine binding protein (PEBP1) in the adult hippocampus of one-year-old male rats. Psychometric investigations were conducted in rats before and after corticosterone treatment using a holeboard test system. Rats were randomly attributed to 2 groups (n = 7) for daily subcutaneous injection of either 26.8 mg/kg body weight corticosterone or sesame oil (vehicle control). Treatment was continued for 60 days, followed by cognitive retesting in the holeboard system. For protein analysis, the hippocampal proteome was separated by 2D electrophoresis (2DE) followed by image processing, statistical analysis, protein identification via peptide mass fingerprinting and gel matching and subsequent functional network mapping and molecular pathway analysis. Differential expression of PEBP1 was additionally quantified by Western blot analysis. Results show that chronic corticosterone significantly decreased rat hippocampal PEBP1 expression and induced a working and reference memory dysfunction. From this, we derive the preliminary hypothesis that PEBP1 may be a novel molecular mediator influencing cognitive integrity during chronic corticosterone exposure in rat hippocampus. 相似文献