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121.
Rico Fischer Carlos Ventura-Bort Alfons Hamm Mathias Weymar 《Cognitive, affective & behavioral neuroscience》2018,18(4):680-693
Response conflicts play a prominent role in the flexible adaptation of behavior as they represent context-signals that indicate the necessity for the recruitment of cognitive control. Previous studies have highlighted the functional roles of the affectively aversive and arousing quality of the conflict signal in triggering the adaptation process. To further test this potential link with arousal, participants performed a response conflict task in two separate sessions with either transcutaneous vagus nerve stimulation (tVNS), which is assumed to activate the locus coeruleus-noradrenaline (LC-NE) system, or with neutral sham stimulation. In both sessions the N2 and P3 event-related potentials (ERP) were assessed. In line with previous findings, conflict interference, the N2 and P3 amplitude were reduced after conflict. Most importantly, this adaptation to conflict was enhanced under tVNS compared to sham stimulation for conflict interference and the N2 amplitude. No effect of tVNS on the P3 component was found. These findings suggest that tVNS increases behavioral and electrophysiological markers of adaptation to conflict. Results are discussed in the context of the potentially underlying LC-NE and other neuromodulatory (e.g., GABA) systems. The present findings add important pieces to the understanding of the neurophysiological mechanisms of conflict-triggered adjustment of cognitive control. 相似文献
122.
123.
This longitudinal study examines the role that students' political reputation in class plays in their future political activities offline together with other people. When aged 16, students were asked to nominate the classmates they considered politically knowledgeable and verbal in class, that is, as having a political reputation. This measure of political reputation was used to predict the participants' political activities offline four years later at age 20 and their attempts to take a stand in public in the national election the same year. The study controlled for individual differences in political interest, self-perceived political impact in class, the students' political activities at age 16, and also gender and immigrant status. About 300 Swedish students were followed up four years later. Political reputation in class positively predicted future political activities offline, membership of political organizations, and attempts to take a stand in public for a party in the forthcoming national election. At the same time, the role played by political reputation depended upon students' other characteristics, especially their levels of anger and popularity, as observed by classmates. Evidently, the group dynamics in class that give some students a political reputation have long-term consequences for their future political activities. 相似文献
124.
Mirka Hintsanen Markus Jokela Laura Pulkki-Råback Jorma S. A. Viikari Liisa Keltikangas-Järvinen 《Current psychology (New Brunswick, N.J.)》2010,29(3):257-271
The current cross-sectional study examined whether body-mass index (BMI) and waist-hip ratio are associated with adult attachment.
Participants were 1,570 men and women participating in Cardiovascular Risk in Young Finns study. BMI was measured in youth
and in adulthood and waist-hip ratio in adulthood. A single measure of attachment style was conducted when participants were
aged 24–39 years. In age and sex adjusted models, youth BMI (Beta = .066, p = .008), adulthood BMI (Beta = .069, p = .007) and waist-hip ratio (Beta = .082, p = .016) were associated with fearful attachment. The associations remained significant when education and relationship status
were adjusted for. Age adjusted association between adulthood waist-hip ratio and preoccupied attachment was found in men
(Beta = .132, p = .002). The association was not essentially changed by additionally adjusting for education and relationship status, and
including fearful attachment in the model. Furthermore, associations for attachment dimensions were also found. These results
suggest that in addition to previously reported negative effects of higher BMI on physical health, higher BMI might have negative
associations with psychological functioning as well. Furthermore, our results imply that physical appearance might be associated
with attachment style in adulthood. 相似文献
125.
Kateryna Savelieva Laura Pulkki-Råback Markus Jokela Mirka Hintsanen Päivi Merjonen Nina Hutri-Kähönen Markus Juonala Jorma Viikari Olli Raitakari Liisa Keltikangas-Järvinen 《Journal of child and family studies》2017,26(8):2191-2201
Intergenerational continuity in parenting quality has been demonstrated but the mechanisms underlying this continuity are less understood. This study investigated whether the offspring personality and years of education mediate the continuity in qualities of the parent–child relationship and whether offspring personality moderates this association. The sample comprised 1308 Finnish offspring (G2; 62% female) and their mothers (G1). G1 (Mean age?=?37.7) reported self-perceived qualities of the parent–child relationship in terms of emotional warmth and acceptance towards G2 aged 3–18 years in 1980. Thirty-two years later, once having become parents themselves, G2 (Mean age?=?42.9) self-rated their own qualities of the parent–child relationship towards their children using the same scales. Between these follow-ups, G2 self-rated their personality (consisting of temperament and character traits) using the Temperament and Character Inventory and reported years of education. Results indicated that G2 character traits—Self-directedness and Cooperativeness—partially mediated the intergenerational continuity in self-perceived emotional warmth and explained 16% of this association. No mediating role of G2 temperament traits was found (all ps?>?.240). Character traits accounted for the indirect association better than education in a multiple mediator model. Moreover, no moderating role of either temperament or character traits was found (all ps?≥?.064). Study findings show that warm and accepting qualities of the parent–child relationship in childhood are related to offspring character traits that reflect personality maturity in adulthood, which in turn would predict their own positive parent–child relationship later in life. 相似文献
126.
Henrik Børsting Jacobsen Håvard Kallestad Nils Inge Landrø Petter C. Borchgrevink Tore C. Stiles 《Scandinavian journal of psychology》2017,58(3):211-220
Acceptance and commitment therapy (ACT) has never been tested for patients with chronic fatigue. We aimed to test if a 3.5‐week ACT rehabilitation program for patients with chronic fatigue improved quality of life (QoL), fatigue, and psychological flexibility. Further, to test if improvements in QoL and fatigue were associated with improvement in psychological flexibility, and if psychological flexibility explained variance above and beyond maladaptive cognitions typically targeted in CBT for fatigue. Patients (n = 140) who had been on sick leave > 8 weeks due to chronic fatigue received a 3.5‐week non‐controlled inpatient rehabilitation program based on ACT. A physician and a psychologist examined the patients, assessing medication use and SCID‐I diagnoses. Patients completed questionnaires about somatic complaints, psychological complaints, and maladaptive cognitions before and after treatment. At post‐treatment, patients reported improved QoL (p < 0.001; g = 1.07) and less fatigue (p < 0.001; g = 1.08), but not increased psychological flexibility (p = 0.6). Changes in psychological flexibility was associated with improved QoL, but not fatigue, in hierarchical regression analyses. When adjusting for other cognitions, changes in fear‐avoidance cognitions and all‐or‐nothing thoughts, but not psychological flexibility, were associated with improved QoL and fatigue. The ACT‐based treatment improved QoL and reduced fatigue for patients with chronic fatigue with large effect sizes. Improvement was associated with a reduction in fear‐avoidance cognitions and all‐or‐nothing thoughts, but not psychological flexibility. 相似文献
127.
Mathias Frisch 《Synthese》2014,191(13):3027-3040
I argue that if we make explicit the role of the user of scientific representations not only in the application but also in the construction of a model or representation, then inconsistent modeling assumptions do not pose an insurmountable obstacle to our representational practices. 相似文献
128.
Viborg, N., Wångby‐Lundh, M., Lundh, L.‐G. & Johnsson P. (2012). Eating‐related problems among 13‐15 year old Swedish adolescents: Frequency and stability over a one‐year period. Scandinavian Journal of Psychology 53, 401–406. The frequency of eating‐related problems in young adolescents, and their stability over a one‐year period, was studied by the RiBED‐8 (Risk Behaviours related to Eating Disorders, 8 items) in a community sample of 13–15 year old adolescents who took part in a prospective study with a 2‐wave longitudinal design. The RiBED‐8 was found to have good reliability and construct validity among the girls, although it did not show equally convincing psychometric properties among boys. With a cut‐off of at least three critical answers on the RiBED‐8, 28.5–31.0% of the girls were seen as risk cases for the development of eating disorder. Of those girls who were risk cases at Time 1, a majority (68.8%) remained so at Time 2; of those girls who were not risk cases at Time 1, 16.1% became risk cases at Time 2. It is suggested that the RiBED‐8 is a brief, easily administered instrument that may be potentially useful in screening for eating‐related problems among girls. 相似文献
129.
Villemarette-Pittman NR Stanford MS Greve KW Houston RJ Mathias CW 《The Journal of psychology》2004,138(1):5-22
Although obsessive-compulsive personality disorder (OCPD) is an Axis II diagnosis that is not commonly associated with behavioral disinhibition, the literature contains reports of occasional explosive aggressive outbursts. Existing explanations of OCPD etiology do not address the coexistence of compulsive and impulsive features witnessed in some subpopulations of patients. In this study, the authors present a compensatory theory of OCPD in an effort to explain clinical observations of an unexpectedly large number of OCPD diagnoses among patients clinic referred and self-referred for aggression problems. 相似文献
130.
Nilsson H Olsson H Juslin P 《Journal of experimental psychology. Learning, memory, and cognition》2005,31(4):600-620
The prominent cognitive theories of probability judgment were primarily developed to explain cognitive biases rather than to account for the cognitive processes in probability judgment. In this article the authors compare 3 major theories of the processes and representations in probability judgment: the representativeness heuristic, implemented as prototype similarity, relative likelihood, or evidential support accumulation (ESAM; D. J. Koehler, C. M. White, & R. Grondin, 2003); cue-based relative frequency; and exemplar memory, implemented by probabilities from exemplars (PROBEX; P. Juslin & M. Persson, 2002). Three experiments with different task structures consistently demonstrate that exemplar memory is the best account of the data whereas the results are inconsistent with extant formulations of the representativeness heuristic and cue-based relative frequency. 相似文献