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261.
262.
Rahman RA van Turennout M Levelt WJ 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(5):850-860
In the present study, the authors examined with event-related brain potentials whether phonological encoding in picture naming is mediated by basic semantic feature retrieval or proceeds independently. In a manual 2-choice go/no-go task the choice response depended on a semantic classification (animal vs. object) and the execution decision was contingent on a classification of name phonology (vowel vs. consonant). The introduction of a semantic task mixing procedure allowed for selectively manipulating the speed of semantic feature retrieval. Serial and parallel models were tested on the basis of their differential predictions for the effect of this manipulation on the lateralized readiness potential and N200 component. The findings indicate that phonological code retrieval is not strictly contingent on prior basic semantic feature processing. 相似文献
263.
Karson MA Jean GB Hanlon RT 《Journal of comparative psychology (Washington, D.C. : 1983)》2003,117(2):149-155
Laboratory mazes were used to study spatial-learning capabilities in cuttlefish (Sepia offcinalis), using escape for reinforcement. In preliminary observations, cuttlefish in an artificial pond moved actively around the environment and appeared to learn about features of their environment. In laboratory experiments, cuttlefish exited a simple alley maze more quickly with experience and retained the learned information. Similar improvement was not found in open-field mazes or T mazes, perhaps because of motor problems. Cuttlefish learned to exit a maze that required them to find openings in a vertical wall. The wall maze was modified to an arena, and simultaneous discrimination learning and reversal learning were demonstrated. These experiments indicate that cuttlefish improve performance over serial reversals of a simultaneous, visual-spatial discrimination problem. 相似文献
264.
Ramírez-Lugo L Miranda MI Escobar ML Espinosa E Bermúdez-Rattoni F 《Neurobiology of learning and memory》2003,79(2):184-193
A number of studies have implicated cholinergic activity in the mediation of learning and memory processes. However, the specific role of muscarinic receptors in memory formation mechanisms is less known. The aim of the present study is to evaluate the effects of muscarinic antagonist M2 presynaptic receptor, AFDX-116 (0.5mM) and M1 and M3 post-synaptic receptor pirenzepine (100mM), as well as a non-selective muscarinic antagonist, scopolamine (136mM), in the insular cortex (IC) during acquisition and retrieval of conditioned taste aversion (CTA). In addition, we evaluate the effects of those antagonists in cortical ACh release by in vivo microdialysis and the effects on the induction of in vivo LTP in the BLA-IC projection. The results showed that the cortical microinjections of scopolamine and pirenzepine, but not AFDX-116, produced significant disruption in the acquisition of CTA, without effects during retrieval. Microinjections of scopolamine and AFDX-116 produced significant cortical ACh release, while infusions of pirenzepine did not produce any release. Application of scopolamine and pirenzepine diminished induction of LTP in the BLA-IC projection, but not AFDX-116, as compared with vehicle. The induction of BLA-CI LTP seems to be modulated by post-synaptic muscarinic acetylcholine receptors and not by pre-synaptic muscarinic receptors. These results suggest a differential involvement of cholinergic receptors during acquisition and retrieval of aversive memory formation, as well as a differential role of muscarinic receptors in the biochemical and electrophysiological processes that may underlay aversive memory. 相似文献
265.
Davies M 《The Journal of analytical psychology》2002,47(3):421-435
Infant brain research is having an increasing impact on child psychotherapy and our understanding of the neurobiological effects of trauma and neglect. This paper outlines the 'experience-dependent' nature of brain development in infancy and the concept of critical periods in such development. The effects of deprivation on child development are illustrated and case material from a child who was institutionalized during his second year is used as a basis for posing questions about the nature of the mind and the brain. In spite of his deprivation, he was able to communicate imaginatively. Schore's proposal for the use of early interventions is put forward to counter discouragement that can be engendered by work with severely deprived children. 相似文献
266.
Brett M. Marroquín Monique Fontes Alex Scilletta Regina Miranda 《Cognition & emotion》2013,27(8):1446-1455
Individuals draw on a variety of cognitive strategies—some active, some passive—as a way of coping with stress and dysphoria. Previous research suggests that the impact of rumination—one such strategy—on depression depends on whether rumination takes the passive form of brooding versus the more active form of reflection. This study tests whether brooding and reflection explain the effects of passive versus active coping responses, respectively, on depressive symptoms. In an undergraduate sample (n=284), brooding partially mediated the relationship between passive coping and depressive symptoms, whereas reflection did not. Reflection moderated the relationship between active coping and symptoms, such that low active copers who were high in reflection endorsed more symptoms than those low in reflection. Brooding and reflection may operate within cognitive–behavioural response pathways characterised by an active/passive distinction. Whether reflection is maladaptive likely depends on the active nature of the surrounding coping response. 相似文献
267.
Sigridur Bjork Thormar Berthold P.R. Gersons Barbara Juen Maria Nelden Djakababa Thorlakur Karlsson Miranda Olff 《Anxiety, stress, and coping》2013,26(6):624-642
During disasters, aid organizations often respond using the resources of local volunteer members from the affected population who are not only inexperienced, but who additionally take on some of the more psychologically and physically difficult tasks in order to provide support for their community. Although not much empirical evidence exists to justify the claim, it is thought that preparation, training, and organizational support limit (or reduce) a volunteer's risk of developing later psychopathology. In this study, we examined the effects of preparation, training, and organizational support and assigned tasks on the mental health of 506 Indonesian Red Cross volunteers who participated in the response to a massive earthquake in Yogyakarta, Indonesia, in 2006. Controlling for exposure level, the volunteers were assessed for post-traumatic stress disorder (PTSD), anxiety, depression, and subjective health complaints (SHCs) 6, 12, and 18 months post-disaster. Results showed high levels of PTSD and SHCs up to 18 months post-disaster, while anxiety and depression levels remained in the normal range. Higher levels of exposure as well as certain tasks (e.g., provision of psychosocial support to beneficiaries, handling administration, or handing out food aid) made the volunteers more vulnerable. Sense of safety, expressed general need for support at 6 months, and a lack of perceived support from team leaders and the organization were also related to greater psychopathology at 18 months. The results highlight the importance of studying organizational factors. By incorporating these results into future volunteer management programs the negative effects of disaster work on volunteers can be ameliorated. 相似文献
268.
Marit Sijbrandij Iris M. Engelhard Giel-Jan de Vries Jan S. K. Luitse Ingrid V. E. Carlier Berthold P. R. Gersons Miranda Olff 《Journal of clinical psychology in medical settings》2013,20(4):449-455
Posttraumatic stress disorder (PTSD) affects a minority of trauma-exposed persons and is associated with significant impairment. This longitudinal study examined risk factors for PTSD. We tested whether the presence of injuries resulting from trauma exposure predicted the course of PTSD symptoms. In addition, we tested whether gender, trauma type, perceived life threat, and peritraumatic dissociation predicted the onset of PTSD symptoms. 236 trauma-exposed civilians were assessed for PTSD symptoms with a structured interview at four occasions during 6 months posttrauma. Path analysis showed that a model in which the female gender, assault, perceived life threat, and peritraumatic dissociation predicted PTSD severity at 1 week, and injury predicted PTSD severity 8 weeks after the traumatic event showed the best fit. However, a similar model without injury showed comparable fit. It is concluded that injuries have a negligible effect on the course of PTSD. 相似文献
269.
Gabrielle Crockatt Miranda Davies Viviane Green Peter Wilson 《Journal of Child Psychotherapy》2013,39(1):35-46
In this article, four child and adolescent psychotherapists discuss their responses, within a psychoanalytic framework, to the theoretical and technical questions raised by Monica Lanyado in her paper 'The symbolism of Lot and his wife'. 相似文献
270.
Sarah Richmond 《International Journal of Philosophical Studies》2013,21(4):517-538
Abstract This paper considers how the experience of illness fits within Sartre’s account of embodiment in Being and Nothingness. Sartre makes some remarks about illness, but does not develop a full account. I show that the anti‐naturalistic ontological framework in which Sartre’s discussion of the body is placed, which opposes my ‘being‐for‐Others’ to my ‘being‐for‐myself’, imposes a revisionary account of illness, and how Sartre’s model of interpersonal relations affects his view of doctors, and their role in the illness experience. I note and discuss the connection Sartre draws between illness and bad faith. I also point out that recent phenomenologically inspired criticisms of the medical establishment that draw on Sartre’s account of the body are limited by their failure to engage with Sartre’s ontology. 相似文献