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181.
The aim of the study was to examine the relationship of mindfulness to the emotional quality of dreaming. In our questionnaire-based study, comprising the data of 587 undergraduate students we examined the association between trait anxiety, perceived stress, trait mindfulness, negative dream affect and dream anxiety. Our results indicate that mindfulness is inversely related to disturbed dreaming and predicts less severe dream disturbances after controlling for trait anxiety. Moreover, the results of the applied hierarchical regression analysis suggest that mindfulness is associated with reduced dream anxiety by moderating the extent of waking anxiety. Our findings extend previous research relating mindfulness, emotional regulation and sleep quality to the domain of dream research. We suggest that mindfulness is a possible protective factor against dream disturbances. 相似文献
182.
Fiedler A Schröter H Seibold VC Ulrich R 《Cognitive, affective & behavioral neuroscience》2011,11(1):68-84
In two experiments, each including a simple reaction time (RT) task, a localization task, and a passive oddball paradigm,
the physical similarity between two dichotically presented auditory stimuli was manipulated. In both experiments, a redundant
signals effect (RSE), high localization performance, and a reliable mismatch negativity (MMN) was observed for largely differing
stimuli, suggesting that these are coded separately in auditory memory. In contrast, no RSE and a localization rate close
to chance level (experiment 1) or at chance (experiment 2) were observed for stimuli differing to a lesser degree. Crucially, for such stimuli a small (experiment 1) or no (experiment 2) MMN were observed. These MMN results indicate that such stimuli tend to fuse into a single percept and that this fusion
occurs rather early within information processing. 相似文献
183.
Susanne Singer Sylvia Hohlfeld Daniel M��ller-Briel Andreas Dietz Elmar Br?hler Katharina Schr?ter Antje Lehmann-Laue 《Psychotherapeut》2011,56(5):386-393
Objectives
The aim of this study was to determine rates of psychooncological care for cancer inpatients and outpatients under routine conditions in a large University hospital. The percentage of patients who received care was analyzed and compared with self-rated and expert rated supportive care needs.Methods
The percentage of inpatients who received psychooncological care was calculated by comparing the number of cancer patients treated at the hospital as documented by the local tumor registry (n=1,979) with the number of patients treated by a psychooncologist in that hospital as documented by the hospital??s psychooncological consultation liaison service. The percentage of outpatients who received psychooncological care was calculated by comparing the number of incident cancer cases as documented by the local tumor registry (n=5,886) with the number of patients who received at least one consultation at the local tumor counseling centre. Supportive care needs were estimated by analyzing data of a prospective patient survey in the same hospital (n=1,803) using the Hospital Anxiety and Depression Scale and single items to determine social burden and the wish for emotional support.Results
The results showed that 11% of inpatients and outpatients (n=234 and n=638, respectively) received psychooncological care. Social care needs were prevalent in 37% and psychological care needs in 52% of the patients during the stay in hospital and in 42% (social and psychological) 6 months later. Of the patients 41% expressed the need to see a social worker and 29% to see a psychologist. Large differences were found between patients with different tumor entities.Conclusion
Psychooncological care delivered to cancer patients under routine conditions was below the actual rate required as estimated by screening instruments and as expressed by the patients. 相似文献184.
Prior research on the neural bases of syntactic comprehension suggests that activation in the left inferior frontal gyrus (lIFG) correlates with the processing of word order variations. However, there are inconsistencies with respect to the specific subregion within the IFG that is implicated by these findings: the pars opercularis or the pars triangularis. Here, we examined the hypothesis that the dissociation between pars opercularis and pars triangularis activation may reflect functional differences between clause-medial and clause-initial word order permutations, respectively. To this end, we directly compared clause-medial and clause-initial object-before-subject orders in German in a within-participants, event-related fMRI design. Our results showed increased activation for object-initial sentences in a bilateral network of frontal, temporal and subcortical regions. Within the lIFG, posterior and inferior subregions showed only a main effect of word order, whereas more anterior and superior subregions showed effects of word order and sentence type, with higher activation for sentences with an argument in the clause-initial position. These findings are interpreted as evidence for a functional gradation of sequence processing within the left IFG: posterior subportions correlate with argument prominence-based (local) aspects of sequencing, while anterior subportions correlate with aboutness-based aspects of sequencing, which are crucial in linking the current sentence to the wider discourse. This proposal appears compatible with more general hypotheses about information processing gradients in prefrontal cortex (Koechlin & Summerfield, 2007). 相似文献
185.
Nemeth D Dye CD Sefcsik T Janacsek K Turi Z Londe Z Klivenyi P Kincses ZT Szabó N Vecsei L Ullman MT 《Brain and language》2012,121(3):248-253
A limited number of studies have investigated language in Huntington’s disease (HD). These have generally reported abnormalities in rule-governed (grammatical) aspects of language, in both syntax and morphology. Several studies of verbal inflectional morphology in English and French have reported evidence of over-active rule processing, such as over-suffixation errors (e.g., walkeded) and over-regularizations (e.g., digged). Here we extend the investigation to noun inflection in Hungarian, a Finno-Ugric agglutinative language with complex morphology, and to genetically proven pre-symptomatic Huntington’s disease (pre-HD). Although individuals with pre-HD have no clinical, motor or cognitive symptoms, the underlying pathology may already have begun, and thus sensitive behavioral measures might reveal already-present impairments. Indeed, in a Hungarian morphology production task, pre-HD patients made both over-suffixation and over-regularization errors. The findings suggest the generality of over-active rule processing in both HD and pre-HD, across languages from different families with different morphological systems, and for both verbal and noun inflection. Because the neuropathology in pre-HD appears to be largely restricted to the caudate nucleus and related structures, the findings further implicate these structures in language, and in rule-processing in particular. Finally, the need for effective treatments in HD, which will likely depend in part on the ability to sensitively measure early changes in the disease, suggests the possibility that inflectional morphology, and perhaps other language measures, may provide useful diagnostic, tracking, and therapeutic tools for assessing and treating early degeneration in pre-HD and HD. 相似文献
186.
ter Horst JP van der Mark MH Arp M Berger S de Kloet ER Oitzl MS 《Neurobiology of learning and memory》2012,98(1):33-40
Corticosteroid effects on cognitive abilities during behavioral adaptation to stress are mediated by two types of receptors. While the glucocorticoid receptor (GR) is mainly involved in the consolidation of memory, the mineralocorticoid receptor (MR) mediates appraisal and initial responses to novelty. Recent findings in humans and mice suggest that under stress, the MR might be involved in the use of different learning strategies. Here, we used male mice lacking the MR in the forebrain (MR(CaMKCre)), which were subjected to 5-10 min acute restraint stress, followed 30 min later by training trials on the circular hole board. Mice had to locate an exit hole using extra- and intra-maze cues. We assessed performance and the use of spatial and stimulus-response strategies. Non-stressed MR(CaMKCre) mice showed delayed learning as compared to control littermates. Prior stress impaired performance in controls, but did not further deteriorate learning in MR(CaMKCre) mice. When stressed, 20-30% of both MR(CaMKCre) and control mice switched from a spatial to a stimulus-response strategy, which rescued performance in MR(CaMKCre) mice. Furthermore, MR(CaMKCre) mice showed increased GR mRNA expression in all CA areas of the hippocampus and an altered basal and stress-induced corticosterone secretion, which supports their role in the modulation of neuroendocrine activity. In conclusion, our data provide evidence for the critical role of MR in the fast formation of spatial memory. In the absence of forebrain MR spatial learning performance was under basal circumstances impaired, while after stress further deterioration of performance was rescued by switching behavior increasingly to a stimulus-response strategy. 相似文献
187.
188.
Steinborn MB Flehmig HC Bratzke D Schröter H 《Quarterly journal of experimental psychology (2006)》2012,65(4):624-631
Reaction time is typically increased following an erroneous response. This post-error slowing is traditionally explained by a strategic adjustment of response threshold towards more conservative behaviour. A recently proposed orienting account provides an alternative explanation for post-error slowing. According to this account, committing an error evokes an orienting response (OR), which inhibits information processing in the subsequent trial, resulting in slow and inaccurate performance. We tested a straightforward prediction of the orienting account in the context of self-paced performance, adopting an individual-differences approach: Post-error slowing should be larger the less frequent an error is. To this end, participants were classified into three groups differing in overall performance accuracy. Larger post-error slowing and stronger post-error accuracy decrease were observed for the high-accuracy group than for the two other groups. Practice pronounced the post-error accuracy decline, especially for the high-accuracy group. The results are consistent with the orienting account of post-error slowing but are problematic for accounts based on strategic evaluation mechanisms. 相似文献
189.
Kerekes N Brändström S Ståhlberg O Larson T Carlström E Lichtenstein P Anckarsäter H Nilsson T 《Psychological reports》2010,107(3):715-725
To evaluate the psychometric characteristics of the Swedish version of the Junior Temperament and Character Inventory (J-TCI), it was sent to parents of 9- and 12-yr.-old twins in Sweden. The final number of responders was 196 parents who rated 92 female and 104 male twin pairs. The inventory of one twin, randomly chosen from each pair, was included in the analyses. Reward Dependence, Persistence, and Cooperativeness were scored higher in girls; Novelty Seeking was higher in the 9-yr.-olds and Persistence in the 12-yr.-olds. Pearson's correlations showed that some dimensions were not statistically independent from each other, even if the covariance was moderate. Internal consistency (Cronbach's alpha) was satisfactory for Harm Avoidance, Novelty Seeking, Self-Directedness, and Cooperativeness (.68-.81), while it was lower in those dimensions that had fewer items. The Swedish parent version of the J-TCI shared about the same psychometric characteristics as found in international samples. 相似文献
190.
Péter Pongrácz Márta Gácsi Dorottya Hegedüs András Péter Ádám Miklósi 《Animal cognition》2013,16(5):721-735
Several articles have been recently published on dogs’ (Canis familiaris) performance in two-way object choice experiments in which subjects had to find hidden food by utilizing human pointing. The interpretation of results has led to a vivid theoretical debate about the cognitive background of human gestural signal understanding in dogs, despite the fact that many important details of the testing method have not yet been standardized. We report three experiments that aim to reveal how some procedural differences influence adult companion dogs’ performance in these tests. Utilizing a large sample in Experiment 1, we provide evidence that neither the keeping conditions (garden/house) nor the location of the testing (outdoor/indoor) affect a dogs’ performance. In Experiment 2, we compare dogs’ performance using three different types of pointing gestures. Dogs’ performance varied between momentary distal and momentary cross-pointing but “low” and “high” performer dogs chose uniformly better than chance level if they responded to sustained pointing gestures with reinforcement (food reward and a clicking sound; “clicker pointing”). In Experiment 3, we show that single features of the aforementioned “clicker pointing” method can slightly improve dogs’ success rate if they were added one by one to the momentary distal pointing method. These results provide evidence that although companion dogs show a robust performance at different testing locations regardless of their keeping conditions, the exact execution of the human gesture and additional reinforcement techniques have substantial effect on the outcomes. Consequently, researchers should standardize their methodology before engaging in debates on the comparative aspects of socio-cognitive skills because the procedures they utilize may differ in sensitivity for detecting differences. 相似文献