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361.
Nilly Mor Leah D. Doane Emma K. Adam Susan Mineka Richard E. Zinbarg James W. Griffith 《Cognition & emotion》2013,27(1):48-62
This study examined within-person co-occurrence of self-focus, negative affect, and stress in a community sample of adolescents with or without emotional disorders. As part of a larger study, 278 adolescents were interviewed about emotional disorders. Later, they completed diary measures over three days, six times a day, reporting their current thoughts, affect, and levels of stress. Negative affect was independently related to both concurrent stress and self-focus. Importantly, the association between negative affect and self-focus was stronger among participants with a recent unipolar mood disorder, compared to those with an anxiety disorder, comorbid anxiety and depression, or those without an emotional disorder. The implications of these findings to theories of self-focus and its role in emotional disorders are discussed. 相似文献
362.
Taian M.M. Vieira Marco A. Minetto Emma F. Hodson-Tole Alberto Botter 《Human movement science》2013,32(4):753-767
Ankle movements in the frontal plane are less prominent though not less relevant than movements in the plantar or dorsal flexion direction. Walking on uneven terrains and standing on narrow stances are examples of circumstances likely imposing marked demands on the ankle medio-lateral stabilization. Following our previous evidence associating lateral bodily sways in quiet standing to activation of the medial gastrocnemius (MG) muscle, in this study we ask: how large is the MG contribution to ankle torque in the frontal plane? By arranging stimulation electrodes in a selective configuration, current pulses were applied primarily to the MG nerve branch of ten subjects. The contribution of populations of MG motor units of progressively smaller recruitment threshold to ankle torque was evaluated by increasing the stimulation amplitude by fixed amounts. From smallest intensities (12–32 mA) leading to the firstly observable MG twitches in force-plate recordings, current pulses reached intensities (56–90 mA) below which twitches in other muscles could not be observed from the skin. Key results showed a substantial MG torque contribution tending to rotate upward the foot medial aspect (ankle inversion). Nerve stimulation further revealed a linear relationship between the peak torque of ankle plantar flexion and inversion, across participants (Pearson R > .81, p < .01). Specifically, regardless of the current intensity applied, the peak torque of ankle inversion amounted to about 13% of plantar flexion peak torque. Physiologically, these results provide experimental evidence that MG activation may contribute to stabilize the body in the frontal plane, especially under situations of challenged stability. 相似文献
363.
Previous literature on the impact of culture on distinctiveness seeking shows diverging predictions and inconclusive results.
We propose that this may be partly due to the fact that distinctiveness can be sought on various levels of awareness. We theorize
that cultural values will influence explicit, intentional forms of distinctiveness seeking, but will not necessarily moderate
the underlying strength of the identity motive for distinctiveness. Participants in the UK and Sweden completed a measure
of cultural values and explicit and implicit measures of distinctiveness seeking. National differences were found in two explicit
measures of distinctiveness seeking, and these were partially mediated by individual differences in value priorities. However,
no difference was found in our implicit measure of the distinctiveness motive. These findings highlight the importance of
attending to the multi-faceted and culturally flexible nature of identity motives. 相似文献
364.
Bäck EA Esaiasson P Gilljam M Svenson O Lindholm T 《Scandinavian journal of psychology》2011,52(4):320-328
Decision-makers tend to change the psychological attractiveness of decision alternatives in favor of their own preferred alternative after the decision is made. In two experiments, the present research examined whether such decision consolidation occurs also among individual group members in a large group decision-making situation. High-school students were presented with a decision scenario on an important issue in their school. The final decision was made by in-group authority, out-group authority or by majority after a ballot voting. Results showed that individual members of large groups changed the attractiveness of their preferred alternative from a pre- to a post-decision phase, that these consolidation effects increased when decisions were made by in-group members, and when participants identified strongly with their school. Implications of the findings for understanding of group behavior and subgroup relations are discussed. 相似文献
365.
Marci R. Culley Adam D. Carton Scott R. Weaver Emma Ogley-Oliver Jalika C. Street 《Current psychology (New Brunswick, N.J.)》2011,30(3):215-233
Current energy debates are often framed in terms of the extent to which energy sources may mitigate global climate change
(GCC) and facilitate energy independence (EI). However, little is understood about whether and how attitudes towards GCC and
EI influence attitudes toward energy sources. Our study included 277 undergraduate students enrolled in introductory psychology
classes at a large, Southeastern university. As hypothesized, results from ordinal and binary logistic regression analyses
revealed that the likelihood participants would support the use of solar, wind, coal or nuclear energy decreased as a function
of their belief that an energy source contributed to GCC. The belief that an energy source contributed to EI increased participants’
likelihood of support. Results suggest that beliefs about GCC and EI are important to determining support for energy sources
and will likely contribute to effective marketing strategies and efforts to implement more environmentally-sustainable behavior
and energy policy. 相似文献
366.
Emma‐Louise Aveling 《Journal of community & applied social psychology》2011,21(2):95-110
The outcomes of health interventions are co‐constructed through negotiation between the competing knowledges of different stakeholders. In such a context, local implementing partners – who mediate between international donors/programme managers and local beneficiary communities – have a critical ‘knowledge brokering’ role to play. With appropriate support, they can facilitate integration of internationally established knowledge with local beliefs and practices in ways that support health‐enhancing behaviour change. This paper focuses on the local field officers of an HIV prevention programme with Cambodian military couples. The paper asks: (1) what are the outcomes of knowledge encounters between international organizations and local field officers, as expressed in field officers' interpretation of programme goals, strategies and messages? (2) To what extent does the intervention context support the field officers' knowledge brokering efforts? Data collected includes semi‐structured interviews, observations of programme meetings and activities, and textual materials. The findings demonstrate that field officers privilege international knowledge, particularly in interactions with international manager–partners. However, in the field, they both hybridize programme messages and struggle to resolve dilemmas provoked by conflicting international and local knowledges. Material and symbolic asymmetries within the intervention context are shown to undermine their knowledge brokering efforts, as field officers attempt to claim identities and futures as health development professionals. Implications for programme practices and accountability systems are discussed. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
367.
Tinsley CJ Fontaine-Palmer NS Vincent M Endean EP Aggleton JP Brown MW Warburton EC 《Learning & memory (Cold Spring Harbor, N.Y.)》2011,18(7):484-492
The roles of muscarinic and nicotinic cholinergic receptors in perirhinal cortex in object recognition memory were compared. Rats' discrimination of a novel object preference test (NOP) test was measured after either systemic or local infusion into the perirhinal cortex of the nicotinic receptor antagonist methyllycaconitine (MLA), which targets alpha-7 (α7) amongst other nicotinic receptors or the muscarinic receptor antagonists scopolamine, AFDX-384, and pirenzepine. Methyllycaconitine administered systemically or intraperirhinally before acquisition impaired recognition memory tested after a 24-h, but not a 20-min delay. In contrast, all three muscarinic antagonists produced a similar, unusual pattern of impairment with amnesia after a 20-min delay, but remembrance after a 24-h delay. Thus, the amnesic effects of nicotinic and muscarinic antagonism were doubly dissociated across the 20-min and 24-h delays. The same pattern of shorter-term but not longer-term memory impairment was found for scopolamine whether the object preference test was carried out in a square arena or a Y-maze and whether rats of the Dark Agouti or Lister-hooded strains were used. Coinfusion of MLA and either scopolamine or AFDX-384 produced an impairment profile matching that for MLA. Hence, the antagonists did not act additively when coadministered. These findings establish an important role in recognition memory for both nicotinic and muscarinic cholinergic receptors in perirhinal cortex, and provide a challenge to simple ideas about the role of cholinergic processes in recognition memory: The effects of muscarinic and nicotinic antagonism are neither independent nor additive. 相似文献
368.
Individually-tailored, Internet-based treatment for anxiety disorders: A randomized controlled trial
Carlbring P Maurin L Törngren C Linna E Eriksson T Sparthan E Strååt M Marquez von Hage C Bergman-Nordgren L Andersson G 《Behaviour research and therapy》2011,49(1):18-24
Previous studies on Internet-based treatment with minimal to moderate therapist guidance have shown promising results for a number of specific diagnoses. The aim of this study was to test a new approach to Internet treatment that involves tailoring the treatment according to the patient’s unique characteristics and comorbidities.A total of 54 participants, regardless of specific anxiety diagnosis, were included after an in-person, semi-structured diagnostic interview and randomized to a 10 week treatment program or to a control group. Treatment consisted of a number of individually-prescribed modules in conjunction with online therapist guidance. Significant results were found for all dependent measures both immediately following treatment and at 1 and 2 year intervals. Mean between-group effect size including measures of anxiety, depression and quality of life was Cohen’s d = 0.69 at post-treatment, while the mean within-group effect size was d = 1.15 at post-treatment and d = 1.13 and d = 1.04 at 1 and 2 year follow-up respectively.The tentative conclusion drawn from these results is that tailoring the Internet-based therapy can be a feasible approach in the treatment of anxiety in a homogeneous population. 相似文献
369.
Although many cognitive functions require information about the orientations of objects, little is known about representation or processing of object orientation. Mirror-image confusion provides a potential clue. This phenomenon is typically characterized as a tendency to confuse images related by left-right reflection (reflection across an extrinsic vertical axis). However, in most previous studies the stimuli were inadequate for identifying a specific mirror-image (or other) relationship as the cause of the observed confusions. Using stimuli constructed to resolve this problem, Gregory and McCloskey (2010) found that adults' errors were primarily reflections across an object axis, and not left-right reflections. The present study demonstrates that young children's orientation errors include both object-axis reflections and left-right reflections. We argue that children and adults represent object orientation in the same coordinate-system format (McCloskey, 2009), with orientation errors resulting from difficulty encoding or retaining one (adults) or two (children) specific components of the posited representations. 相似文献
370.
Sociocultural factors hypothesised to be influential in eating disorders were assessed for their relationship with compulsive exercise. A sample of 828 adolescent boys and girls completed measures assessing sociocultural messages to change body shape as well as pressure to be thin, and also measures of compulsive exercise and disordered eating. Results showed that the sociocultural influences differed slightly between boys and girls. Hierarchical regressions showed that, after controlling for disordered eating and BMI, messages to become more muscular and media pressure to be thin significantly predicted compulsive exercise in boys, while the same regression in girls reported only media pressure to be thin as a significant predictor of compulsive exercise. These findings demonstrate the influence of the media in boys’ and girls’ compulsive exercising, as well as highlight the influence of body shape messages to become more muscular on boys’ compulsive exercise. 相似文献