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911.
Simon E. Fisher 《Psychonomic bulletin & review》2017,24(1):34-40
The post-genomic era is an exciting time for researchers interested in the biology of speech and language. Substantive advances in molecular methodologies have opened up entire vistas of investigation that were not previously possible, or in some cases even imagined. Speculations concerning the origins of human cognitive traits are being transformed into empirically addressable questions, generating specific hypotheses that can be explicitly tested using data collected from both the natural world and experimental settings. In this article, I discuss a number of promising lines of research in this area. For example, the field has begun to identify genes implicated in speech and language skills, including not just disorders but also the normal range of abilities. Such genes provide powerful entry points for gaining insights into neural bases and evolutionary origins, using sophisticated experimental tools from molecular neuroscience and developmental neurobiology. At the same time, sequencing of ancient hominin genomes is giving us an unprecedented view of the molecular genetic changes that have occurred during the evolution of our species. Synthesis of data from these complementary sources offers an opportunity to robustly evaluate alternative accounts of language evolution. Of course, this endeavour remains challenging on many fronts, as I also highlight in the article. Nonetheless, such an integrated approach holds great potential for untangling the complexities of the capacities that make us human. 相似文献
912.
Simon R. Knowles David W. Austin Suresh Sivanesan Jason Tye-Din Chris Leung Jarrad Wilson 《Psychology, health & medicine》2017,22(5):524-534
Irritable Bowel Syndrome (IBS) is a common condition affecting around 10–20% of the population and associated with poorer psychological well-being and quality of life. The aim of the current study was to explore the efficacy of the Common Sense Model (CSM) using Structural Equation Modelling (SEM) in an IBS cohort. One hundred and thirty-one IBS patients (29 males, 102 females, mean age 38 years) participating in the IBSclinic.org.au pre-intervention assessment were included. Measures included IBS severity (Irritable Bowel Syndrome Severity Scoring System), coping patterns (Carver Brief COPE), visceral sensitivity (Visceral Sensitivity Index), illness perceptions (Brief Illness Perceptions Questionnaire), psychological distress (Depression, Anxiety and Stress Scale), and quality of life (IBS Quality of Life scale; IBS-QoL). Using SEM, a final model with an excellent fit was identified (χ2 (8) = 11.91, p = .16, χ2/N = 1.49, CFI > .98, TLI > .96, SRMR < .05). Consistent with the CSM, Illness perceptions were significantly and directly influenced by IBS severity (β = .90, p < .001). Illness perceptions in turn directly influenced maladaptive coping (β = .40, p < .001) and visceral sensitivity (β = .70, p < .001). Maladaptive coping and visceral sensitivity were significantly associated with psychological distress (β = .55, p < .001; β = .22, p < .01) and IBS-QoL (β = –.28, p < .001; β = –.62, p < .001). Based on these findings, we argue that to augment the adverse impact of IBS severity on IBS-QoL and psychological distress, psychological interventions will be best to target the mediating psychological processes including illness beliefs, visceral sensitivity and maladaptive coping. 相似文献
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An occlusion protocol was used to elucidate the respective roles of preprograming and online control during the quiet eye period of golf putting. Twenty-one novice golfers completed golf putts to 6-ft and 11-ft targets under full vision or with vision occluded on initiation of the backswing. Radial error (RE) was higher, and quiet eye was longer, when putting to the 11-ft versus 6-ft target, and in the occluded versus full vision condition. Quiet eye durations, as well as preprograming, online and dwell durations, were longer in low-RE compared to high-RE trials. The preprograming component of quiet eye was significantly longer in the occluded vision condition, whereas the online and dwell components were significantly longer in the full vision condition. These findings demonstrate an increase in preprograming when vision is occluded. However, this was not sufficient to overcome the need for online visual control during the quiet eye period. These findings suggest the quiet eye period is composed of preprograming and online control elements; however, online visual control of action is critical to performance. 相似文献
916.
Since its inception the 'mindblindness' theory of autism has greatly furthered our understanding of the core social-communication impairments in autism spectrum conditions (ASC). However, one of the more subtle issues within the theory that needs to be elaborated is the role of the 'self'. In this article, we expand on mindblindness in ASC by addressing topics related to the self and its central role in the social world and then review recent research in ASC that has yielded important insights by contrasting processes relating to both self and other. We suggest that new discoveries lie ahead in understanding how self and other are interrelated and/or distinct, and how understanding atypical self-referential and social-cognitive mechanisms may lead to novel ideas as to how to facilitate social-communicative abilities in ASC. 相似文献
917.
In fear-associated learning paradigms, hippocampal lesions induce memory deficits of recent but not remote memories, while amygdala lesions produce retention deficits irrespective of the age of the memory. In conditioned taste aversion (CTA), non-hippocampal mediated learning paradigm, the insular vortex (IC) has shown to have a crucial role in consolidation and storage of CTA memory. Due to the functional and anatomical similarities to the hippocampus, a time dependent role of the IC in CTA retention cannot be ruled out. To test whether the IC shows a time dependent role in CTA memory retention, male Wistar rats were CTA trained on saccharin 0.1% (LiCl 0.15M, 2% b/w, 40 min after drinking) and lesioned with ibotenic acid (200-300 nL, 5mg/mL) unilaterally into the IC 1 week or bilaterally 1 or 6 weeks after CTA. CTA memory was completely disrupted in both bilateral lesion groups but unaffected in the unilateral lesioned group. The resulting preference was comparable to that of the bilaterally IC lesioned animals exposed to the taste for the first time, proving that in these animals a complete amnesic state was achieved. Bilaterally IC lesioned rats showed normal discrimination between preferred (sucrose 5%) and non-preferred (quinone) tastes. Our data indicates that the involvement of the IC in CTA is not time dependent and that CTA memories are stored in each hemisphere separately. 相似文献
918.
Stress response syndromes like adjustment disorders or complicated grief are assumed to be shaped by social-cultural factors in addition to biological and psychological factors. In previous research, value orientations and interpersonal factors were found to jointly predict those syndromes (Maercker, A., Mohiyeddini, C., Müller, M., Xie, W., Hui Yang, Z., Wang, J., & Müller, J. ( 2009 ). Traditional versus modern values, self-perceived interpersonal factors, and posttraumatic stress in Chinese and German crime victims. Psychology and Psychotherapy, 82(Pt 2), 219-232.). In addition to the previous finding, the current study using Swiss elderly (65-97 years) aimed to replicate patterns of predictors leading to stress responses in people with recent bereavement or severe life events. Traditional (conformity, tradition and benevolence) and modern values (stimulation, hedonism and achievement) and two self-perceived interpersonal mediator processes (disclosure intentions and social acknowledgement as a victim) were assessed. The current study confirms the previous model in parts, that is, the indirect path from social acknowledgment to stress response syndrome is mediated by disclosure intentions. Traditional values and not modern values explained substantial variance for disclosure intentions and are therefore indirectly linked to worse mental health outcomes whereas the direct association appears somewhat controversial in light of previous findings. 相似文献
919.
We develop a model in which cognitive and affective trust in the leader mediate the relationship between leader behavior and team psychological states that, in turn, drive team performance. The model is tested on a sample of 191 financial services teams in Hong Kong and the U.S. Servant leadership influenced team performance through affect-based trust and team psychological safety. Transformational leadership influenced team performance indirectly through cognition-based trust. Cognition-based trust directly influenced team potency and indirectly (through affect-based trust) influenced team psychological safety. The effects of leader behavior on team performance were fully mediated through the trust in leader variables and the team psychological states. Servant leadership explained an additional 10% of the variance in team performance beyond the effect of transformational leadership. We discuss implications of these results for research on the relationship between leader behavior and team performance, and for efforts to enhance leader development by combining knowledge from different leadership theories. 相似文献
920.