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71.
72.
We examined sex differences in the prevalence, incidence, reasons for, and consequences of infidelity. Participants (Study
1, 543 undergraduates in the Northwestern US; Study 2, 313 undergraduates and 233 community members in the Mid-Atlantic US),
reported on infidelity by questionnaire. Using a broad definition of cheating, women reported being as unfaithful or more
unfaithful than men. Men were more suspicious about cheating and more likely to discover the cheating than women. Women were
more likely to break up with their partners, to begin new relationships after cheating, and to report reasons for cheating
that may indicate a desire to switch long-term mates, such as being unhappy in the current relationship. Results are discussed
in the context of evolutionary theory. 相似文献
73.
Brand M Pawlikowski M Labudda K Laier C von Rothkirch N Markowitsch HJ 《Brain and cognition》2009,69(2):279-290
We investigated the role of feedback processing in decision making under risk conditions in 50 patients with amnesia in the course of alcoholic Korsakoff's syndrome (KS). Half of the patients were administered the Game of Dice Task (GDT) and the remaining 25 patients were examined with a modified version of the GDT in which no feedback was provided. Patients' results in the GDT and in the modified version were compared with that of 50 healthy subjects of whom 25 subjects performed the original GDT and 25 performed the modified version. While performance on the original GDT was superior to performance on the modified GDT in healthy subjects, KS patients performed similarly on both the GDT with and GDT without feedback. Performance on both task versions was correlated with categorization and set-shifting. The findings indicate that amnesic patients do not profit from receiving feedback for their decisions in explicit risk conditions. 相似文献
74.
75.
Angelica Staniloiu Hans J. Markowitsch Matthias Brand 《Consciousness and cognition》2010,19(3):778-801
Autobiographical–episodic memory is the conjunction of subjective time, autonoetic consciousness and the experiencing self. Understanding the neural correlates of autobiographical–episodic memory might therefore be essential for shedding light on the neurobiology underlying the experience of being an autonoetic self. In this contribution we illustrate the intimate relationship between autobiographical–episodic memory and self by reviewing the clinical and neuropsychological features and brain functional imaging correlates of psychogenic amnesia – a condition that is usually characterized by severely impaired retrograde memory functioning, in absence of structural brain damage as detected by standard imaging. We demonstrate that in this disorder the autobiographical–episodic memory deficits do not exist in isolation, but occur with impairments of the autonoetic self-consciousness, emotional processing, and theory of mind or executive functions. Furthermore functional and metabolic brain alterations involving regions that are agreed upon to exert crucial roles in memory processes were frequently found to accompany the psychogenic memory “loss”. 相似文献
76.
77.
It has been argued that distributed attention facilitates the rapid extraction of summary statistics that underpins rapid scene categorization. We directly examined this hypothesis by investigating whether distributed or focused attention is more compatible with the extraction of both summary statistics (Experiment 1) and semantic scene information (Experiments 2–4). Experiment 1 replicated Chong and Treisman’s (2005a) result that mean circle size judgments are more compatible with a distributed attention task than a focused attention task. Experiment 2 investigated whether this finding extends to simple scene categorization by replacing the averaging task with an animal detection task. Consistent with Experiment 1, the ability to detect the presence of an animal was more compatible with a distributed attention task than a focused attention task. Experiments 3 and 4 addressed whether distributed attention influences scene categorization tasks. When observers were asked to classify scenes based on their basic level (e.g., beach or forest; Experiment 3), there was no statistically significant difference between focused and distributed attention task conditions; however, superordinate level categorization (e.g., natural or manmade; Experiment 4) was faster when combined with a task requiring distributed attention compared to a task requiring focused attention. 相似文献
78.
79.
Starcke K Pawlikowski M Wolf OT Altstötter-Gleich C Brand M 《Cognitive processing》2011,12(2):177-182
Recent research suggests two ways of making decisions: an intuitive and an analytical one. The current study examines whether
a secondary executive task interferes with advantageous decision-making in the Game of Dice Task (GDT), a decision-making
task with explicit and stable rules that taps executive functioning. One group of participants performed the original GDT
solely, two groups performed either the GDT and a 1-back or a 2-back working memory task as a secondary task simultaneously.
Results show that the group which performed the GDT and the secondary task with high executive load (2-back) decided less
advantageously than the group which did not perform a secondary executive task. These findings give further evidence for the
view that decision-making under risky conditions taps into the rational-analytical system which acts in a serial and not parallel
way as performance on the GDT is disturbed by a parallel task that also requires executive resources. 相似文献
80.
Brand M Laier C Pawlikowski M Schächtle U Schöler T Altstötter-Gleich C 《Cyberpsychology, behavior and social networking》2011,14(6):371-377
Excessive or addictive Internet use can be linked to different online activities, such as Internet gaming or cybersex. The usage of Internet pornography sites is one important facet of online sexual activity. The aim of the present work was to examine potential predictors of a tendency toward cybersex addiction in terms of subjective complaints in everyday life due to online sexual activities. We focused on the subjective evaluation of Internet pornographic material with respect to sexual arousal and emotional valence, as well as on psychological symptoms as potential predictors. We examined 89 heterosexual, male participants with an experimental task assessing subjective sexual arousal and emotional valence of Internet pornographic pictures. The Internet Addiction Test (IAT) and a modified version of the IAT for online sexual activities (IATsex), as well as several further questionnaires measuring psychological symptoms and facets of personality were also administered to the participants. Results indicate that self-reported problems in daily life linked to online sexual activities were predicted by subjective sexual arousal ratings of the pornographic material, global severity of psychological symptoms, and the number of sex applications used when being on Internet sex sites in daily life, while the time spent on Internet sex sites (minutes per day) did not significantly contribute to explanation of variance in IATsex score. Personality facets were not significantly correlated with the IATsex score. The study demonstrates the important role of subjective arousal and psychological symptoms as potential correlates of development or maintenance of excessive online sexual activity. 相似文献