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151.
152.
Passow S Westerhausen R Wartenburger I Hugdahl K Heekeren HR Lindenberger U Li SC 《Psychology and aging》2012,27(1):99-105
Older adults often experience hearing difficulties in multitalker situations. Attentional control of auditory perception is crucial in situations where a plethora of auditory inputs compete for further processing. We combined an intensity-modulated dichotic listening paradigm with attentional manipulations to study adult age differences in the interplay between perceptual saliency and attentional control of auditory processing. When confronted with two competing sources of verbal auditory input, older adults modulated their attention less flexibly and were more driven by perceptual saliency than younger adults. These findings suggest that aging severely impairs the attentional regulation of auditory perception. 相似文献
153.
Dr. Susanne Karch Stephan Heinzel Oliver Pogarell Günter Schiepek 《Psychotherapeut》2012,57(3):204-212
In the last few years the investigation of the neurobiological basis of psychotherapeutic treatments has gained importance. Therapy-associated functional changes have been studied in a number of different psychiatric diseases. It has been shown that diseases with a central role of emotions (e.g. depression, anxiety disorders, borderline personality disorder) often demonstrate dysfunctions in brain areas that are linked to emotional regulation. Psychotherapeutic interventions can lead to a kind of normalization of brain responses in these areas (e.g. amygdala, ventromedial prefrontal cortex, anterior cingulate cortex, orbitofrontal cortex). In addition, therapy-associated transformations were also demonstrated in areas which are related to attention processes and visual perception. Other studies have aimed at finding neurobiological parameters that can be used to predict a therapeutic outcome or to choose between various therapeutic strategies. For instance, in depression, the amygdala and the anterior cingulate cortex are assumed to play a major role. Altogether, knowledge on the neurobiological basis of psychotherapeutic procedures is limited. A comparatively small number of studies and several methodological problems (e.g. small sample sizes, insufficient control groups, variability of methods used) make it difficult to propose reliable statements. 相似文献
154.
The current study examines violated expectations regarding the division of childcare and play in first-time parents during the initial transition to parenthood. The study's goal was threefold: (a) to compare prenatal expectations with the reported postpartum division of childcare and play, (b) to compare the influence of the reported division versus violated expectations on postpartum relationship satisfaction and depression, and (c) to examine the role of persistent violations of expectations on these outcomes. Couples expecting their first child were interviewed during the third trimester of pregnancy and at 1 and 4 months postpartum. Results indicated both mothers and fathers have unrealistic expectations during pregnancy; interestingly, the direction violation was opposite but converging for mothers and fathers. As found in prior research, mothers experienced unmet expectations with fathers doing less than mothers expected. Fathers, on the other hand, experienced overmet expectations with mothers doing more than fathers expected. Violated expectations were also a stronger predictor of depression and relationship satisfaction than the reported division, although again in opposite directions for mothers and fathers. Unmet expectations were negative for mothers, while overmet expectations with regard to childcare tasks were beneficial for fathers. The one caveat was for fathers' overmet expectations with play; in this case, a mother playing with the baby more than a father expected was related to less relationship satisfaction. A similar pattern of results was found for mothers and fathers with persistent violations. This study highlights the importance of understanding violated expectations in both mothers and fathers, as well as examining play separately from childcare. 相似文献
155.
Pun C Emrich SM Wilson KE Stergiopoulos E Ferber S 《Psychonomic bulletin & review》2012,19(3):429-435
Although significant advances in our understanding of the cognitive and neural processes involved in conscious awareness have occurred in recent years, the precise mechanisms that support consciousness remain elusive. Examining the neural correlates associated with the moment a stimulus enters or exits conscious awareness is one way to potentially identify the neural mechanisms that give rise to consciousness. In the present study, we recorded neural activity using electroencephalography (EEG) while participants observed a bilateral shape-from-motion (SFM) display. While the display is in motion, the observer perceives an object that is immediately segregated from a noisy background. After the motion stops, the observer's experience of the object remains momentarily in awareness, before it eventually fades out of consciousness back into the noisy background. Consistent with subjective reports of perceptual experience, we observed a prominent sustained posterior contralateral negativity known as the contralateral delay activity (CDA). This activity was sustained only in conditions associated with sustained awareness. Interestingly, the amplitude of the CDA was correlated with individual differences in visual awareness, suggesting that this activity plays a significant role in the maintenance of objects in consciousness. The CDA is typically associated with visual short-term memory (VSTM), suggesting that conscious visual awareness may be mediated by the same neural and cognitive mechanisms that support VSTM. Our results demonstrate that the CDA may reflect the contents of conscious awareness, and therefore can provide a measure to track when information moves in and out of consciousness. 相似文献
156.
Two word-trained dogs were presented with acts of reference in which a human pointed, named objects, or simultaneously did both. The question was whether these dogs would assume co-reference of pointing and naming and thus pick the pointed-to object. Results show that the dogs did indeed assume co-reference of pointing and naming in order to determine the reference of a spoken word, but they did so only when pointing was not in conflict with their previous word knowledge. When pointing and a spoken word conflicted, the dogs preferentially fetched the object by name. This is not surprising since they are trained to fetch objects by name. However, interestingly, in these conflict conditions, the dogs fetched the named objects only after they had initially approached the pointed-to object. We suggest that this shows that the word-trained dogs interpret pointing as a spatial directive, which they integrate into the fetching game, presumably assuming that pointing is relevant to finding the requested object. 相似文献
157.
Hideko Hamada Bassett Susanne Denham Todd M. Wyatt Heather Kiernan Warren‐Khot 《Infant and child development》2012,21(6):596-616
To aid in understanding preschoolers' self‐regulation and refinement of measurement, we examined properties of a field‐based assessment battery of preschooler's self‐regulation, the Preschool Self‐regulation Assessment (PSRA). The PSRA, which includes seven age‐appropriate tasks that tap children's executive control, was administered to 313 preschoolers and then to 261 of these children approximately 3 months later. Teachers reported on children's school readiness (social competence and classroom adjustment) at the end of preschool and kindergarten years, and on academic success in kindergarten. PSRA tasks were examined for ceiling effects at 35–65 months; Pencil Tap, Balance Beam, Toy Wrap and Snack Delay were retained for lack of such effects. Confirmatory factor analyses showed two components at each time point – hot and cool executive control – and cross‐time correlations showed significant stability of individual differences. Four‐year‐old girls and children of higher socioeconomic status outperformed 3‐year‐old boys and those at socioeconomic risk. Children, especially girls, scored higher on hot executive control. Finally, aspects of executive control differentially predicted teacher‐reports of school readiness at both times of assessment, with age, gender and risk status controlled. These selected PSRA tasks, as a shortened battery, have potential for research and applied usage, and findings speak to theoretical understanding of preschoolers' self‐regulation. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
158.
Benjamin Schüz Julia K. Wolff Lisa M. Warner Jochen P. Ziegelmann Susanne Wurm 《Psychology & health》2013,28(4):442-457
Objective: Previous research on illness perceptions has focused on single illnesses, but most adults over 65 suffer from multiple illnesses (multimorbidity). This study tests three competing operationalisations of multiple illness perceptions in predicting physical functioning and adherence: (1) main effects and interactions model; (2) peak model with effects of the most prominent illness perception; and (3) combined model with averaged illness perceptions over multiple illnesses.Design: Longitudinal study in N?=?215 individuals (65–86?years) with multimorbidity at two measurement points over six months. Participants filled in two Brief Illness Perception Questionnaires (B-IPQ) on their two most severe illnesses.Main outcome measures: Physical functioning, medication adherence.Results: Factor analyses suggest that the B-IPQ contains three dimensions; consequences, control and timeline. Multiple regression models fit the data best for (1) and (3). Timeline (β?=??.18) and control (β?=?.21) predict adherence in (1); consequences (β?=?.16) and control (β?=?.20) in (3). Physical functioning was significantly predicted by interacting control beliefs in (1; β?=?.13), by peak consequences in (2; β?=??.14) and by consequences (β?=??.15) in (3).Conclusions: Individuals with multimorbidity hold both distinct and combined perceptions about their illnesses. To understand individual responses to multimorbidity, perceptions about all illnesses and multimorbidity as entity should be examined. 相似文献
159.
Christine A. Hajek H. Gerry Taylor Barbara Bangert Ann Dietrich Kathryn E. Nuss 《Child neuropsychology》2013,19(1):17-33
The level of parent-child agreement on post-concussive symptoms (PCS) was examined in children following mild traumatic brain injuries (TBI). As part of a larger longitudinal study, 186 children with mild TBI and 99 with orthopedic injuries (OI), from 8 to 15 years of age, were recruited prospectively. Parents and children completed the PCS Interview (PCS-I) and the Health and Behavior Inventory (HBI) at 2 weeks, 1 month, 3 months, and 12 months postinjury. Item-level correlations between child and parent ratings on both measures of PCS were significant but modest in both groups. Parent-child correlations for composite scales on the HBI and the total score on the PCS-I were significant in both groups, but somewhat higher in the OI group than in the mild TBI group. Mean symptom ratings tended to be significantly higher for children as compared to parents, especially for somatic symptoms. Parents and children display modest agreement when reporting PCS; their ratings correlate significantly, but children report higher mean levels of symptoms than parents. 相似文献
160.
Stephanie C. Goodhew Jay Pratt Paul E. Dux Susanne Ferber 《Psychonomic bulletin & review》2013,20(5):859-877
Object substitution masking (OSM) occurs when a sparse (e.g., four-dot), temporally trailing mask obscures the visibility of a briefly presented target. Here, we review theories of OSM: those that propose that OSM reflects the interplay between feedforward and feedback/reentrant neural processes, those that predict that feedforward processing alone gives rise to the phenomenon, and theories that focus on cognitive explanations, such as object updating. We discuss how each of these theories accommodates key findings from the OSM literature. In addition, we examine the relationship between OSM and other visual-cognitive phenomena, including object correspondence through occlusion, change blindness, metacontrast masking, backward masking, and visual short-term memory. Finally, we examine the level of processing at which OSM impairs target perception. Collectively, OSM appears to reflect the conditions under which the brain confuses two visual events for one when they are encoded with low spatiotemporal resolution, due to processing resources being otherwise occupied. 相似文献