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91.
92.
A comment on the functional localization of the phonological storage subsystem of working memory. 总被引:9,自引:0,他引:9
Working memory, as defined by Baddeley and Hitch, is an interactive set of cognitive processes responsible for holding information online and available for analysis. Part of that system is a specialized subsystem devoted to maintaining verbal information; the verbal "slave" subsystem has as a core component a phonological store. For many years, the anatomical locus of the phonological store has been thought to be in the supramarginal and angular gyri of the speech dominant hemisphere, and functional neuroimaging studies provide broad support for this localization. However, a finer grained analysis of published experiments reveals two possible foci for the phonological store within the parietal lobe, neither of which has a pattern of functional activation that is fully consistent with the Baddeley and Hitch model. The purpose of the present paper is to review several studies relevant to the question of the localization of the phonological store and to suggest possible reasons the results are discrepant. 相似文献
93.
Umesh Patil Sandra Hanne Frank Burchert Ria De Bleser Shravan Vasishth 《Cognitive Science》2016,40(1):5-50
Individuals with agrammatic Broca's aphasia experience difficulty when processing reversible non‐canonical sentences. Different accounts have been proposed to explain this phenomenon. The Trace Deletion account (Grodzinsky, 1995, 2000, 2006) attributes this deficit to an impairment in syntactic representations, whereas others (e.g., Caplan, Waters, Dede, Michaud, & Reddy, 2007; Haarmann, Just, & Carpenter, 1997) propose that the underlying structural representations are unimpaired, but sentence comprehension is affected by processing deficits, such as slow lexical activation, reduction in memory resources, slowed processing and/or intermittent deficiency, among others. We test the claims of two processing accounts, slowed processing and intermittent deficiency, and two versions of the Trace Deletion Hypothesis (TDH), in a computational framework for sentence processing (Lewis & Vasishth, 2005) implemented in ACT‐R (Anderson, Byrne, Douglass, Lebiere, & Qin, 2004). The assumption of slowed processing is operationalized as slow procedural memory, so that each processing action is performed slower than normal, and intermittent deficiency as extra noise in the procedural memory, so that the parsing steps are more noisy than normal. We operationalize the TDH as an absence of trace information in the parse tree. To test the predictions of the models implementing these theories, we use the data from a German sentence—picture matching study reported in Hanne, Sekerina, Vasishth, Burchert, and De Bleser (2011). The data consist of offline (sentence‐picture matching accuracies and response times) and online (eye fixation proportions) measures. From among the models considered, the model assuming that both slowed processing and intermittent deficiency are present emerges as the best model of sentence processing difficulty in aphasia. The modeling of individual differences suggests that, if we assume that patients have both slowed processing and intermittent deficiency, they have them in differing degrees. 相似文献
94.
Joshua M. Langberg Stephen P. Becker Melissa R. Dvorsky 《Journal of abnormal child psychology》2014,42(1):91-103
The purpose of the study was to evaluate the relation between Sluggish Cognitive Tempo (SCT) and academic functioning in a sample of 52 adolescents (40 males, 12 females) with Attention-Deficit/Hyperactivity Disorder (ADHD; M age?=?13.75). This study builds on prior work by utilizing an empirically-based and psychometrically validated measure of SCT, collecting ratings of SCT from both parents and teachers, and examining associations with multiple domains of academic functioning from both the parent and teacher perspective as well as grade point average (GPA). Both SCT and DSM-IV symptoms of inattention were significantly correlated with domains of academic functioning. Multiple regression analyses demonstrated that the parent-rated SCT Slow subscale predicted overall academic functioning, organizational skills impairment, and homework problems above and beyond ADHD symptoms and child and demographic characteristics known to be associated with academics, including intelligence, academic achievement, and family income. The teacher-rated SCT Low Initiation/Persistence subscale also predicted homework problems and was the only SCT variable to predict school grades above and beyond ADHD symptoms and relevant covariates. Both the SCT Slow and Low Initiation/Persistence subscales include items related to youth seeming apathetic, unmotivated, and lacking initiative, behaviors that are strongly related to ADHD symptoms of inattention but not currently captured by the DSM-IV. Implications of these findings towards supporting the external validity of the SCT construct are discussed along with potential implications for intervention. 相似文献
95.
In this article, various feminist theories are used to critique selected psychological theories of coping with stress, a reformulated coping theory is outlined, and recommendations for future research are made. To date, theories of coping often portray women as less able copers than the samples of men with whom they are compared. A reformulated theory, based on different women's experiences, explicitly examines the role of social forces (sexism, racism) and access to power as variables in the coping process rather than solely focusing on the individual. Selected examples of research that contribute to such a revision are given. Revised theories and methodologies will encourage the more accurate appraisal of women's coping abilities and generate information vital to the creation of more inclusive and representative theories of coping. 相似文献
96.
Barbara Quiñones Vicky Phares Judith Becker Bryant David Stenmark 《Psychology of women quarterly》1999,23(3):559-572
This study investigated the correspondence between parents' and daughters' beliefs about sexual aggression and gender roles. The relationship between a woman's attitudes and her personal experiences with sexual victimization was also examined. The participants were 236 female undergraduates, 148 mothers, and 110 fathers. One hundred-three matching triads were collected. Participants evaluated victim responsibility for written scenarios depicting a date-rape victim. Information about gender-role attitudes, perceived family communication, and previous sexual experiences was also collected. Results indicated that daughter–mother, daughter–father, and mother–father dyads shared attitudes about gender roles and beliefs about victim responsibility. Parental attitudes also predicted daughters' attitudes, but family communication did not moderate the relationship between parental attitudes and daughters' attitudes. Mothers' and daughters' experiences of coerced sex were not associated. A relationship between attitudes and beliefs and experiences of coerced sex emerged only for mothers. Mothers with a history of coerced sex adhered to more traditional gender-role attitudes and assigned more responsibility to the date-rape victim. The need for further research in the area of familial attitudes about rape is discussed. 相似文献
97.
Fr d ric Vall e-Tourangeau Neville G. Austin Sandra Rankin 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1995,48(4):895-914
In the standard 2-4-6 induction task, subjects are instructed to discover the rule generating sequences of three numbers by inventing number triples for which they receive immediate feedback. The rule is “ascending numbers”. Performance is greatly aided with Dual Goal (DG) instructions that ask subjects to discover two rules, one that generates “Dax” triples (equivalent to “yes” instances with Single Goal [SG] instructions) and another that generates “Med” triples (equivalent to “no” instances). The present study eliminates two explanations for this effect suggested by Wharton, Cheng, and Wickens (1993). Experiment 1 tested their Information-Quantity hypothesis that the effect results simply from the DG subjects testing more triples prior to proposing a rule. Our DG subjects were more likely to solve the problem and produced more “negative” triples than SG subjects when both groups generated exactly 15 triples. Two further groups received feedback only after generating all 15 triples, and again DG subjects were more likely to solve the problem and to generate more “negative” triples. Experiment 2 tested Wharton et al.'s Goal-Complementarity hypothesis that success under DG instructions hinges on preserving the complementary representation of the two rules. We compared SG instructions with three types of DG instructions that suggested different types of triples (Dax, Med, both Dax and Med, neither Dax nor Med). DG instructions were more effective in promoting successful rule discovery regardless of differences in rule complementarity. Our analysis of the heterogeneity of the examplars generated with DG instructions in both experiments suggest that success on the 2-4-6 task is as much a consequence of the breadth of hypotheses that subjects entertain as it is a consequence of the testing strategy. 相似文献
98.
Daniel R. Ilgen Parshotam Dass Ruth Ann McKellin Sandra L. Lee 《Psychologie appliquee》1995,44(1):57-76
Bien que les travailleurs s'adonnent à la fois à nombre de tâches formelles et informelles, les recherches centrées sur le comportement organisationnel s'intéressent préférentiellement aux conduites formelles et à leur produit. Quand l'attention se porte sur les comportements informels, c'est généralement pour les atténuer ou les éliminer. On soutient dans cet article que les comportements informels doivent être pris en considération même si c'est la tâche à accomplir qui est l'objet de la problématique. On a, dans deux recherches exploitant des échantillons de 133 et 137 individus, relevé une série de comportements informels et étudié la relation entre leur fréquence d'apparition et la satisfaction. Les implications des comportements informels sont analysées du point de vue de la nature changeante du travail.
Although people at work engage in a number of on-task and off-task behaviours, the preponderance of behavioural research in organisations is directed towards on-task behaviours and the outcomes resulting from them. When attention is paid to off-task behaviours, it is usually directed at decreasing or eliminating such behaviours. The position taken here is that off-task behaviours must be understood even if our concern is with task behaviour. Two studies, with samples of 137 and 133 persons, identified a subset of off-task behaviours and explored the relationship of their reported occurrence to job satisfaction. Implications of off-task behaviour at work are discussed with respect to the changing nature of work. 相似文献
Although people at work engage in a number of on-task and off-task behaviours, the preponderance of behavioural research in organisations is directed towards on-task behaviours and the outcomes resulting from them. When attention is paid to off-task behaviours, it is usually directed at decreasing or eliminating such behaviours. The position taken here is that off-task behaviours must be understood even if our concern is with task behaviour. Two studies, with samples of 137 and 133 persons, identified a subset of off-task behaviours and explored the relationship of their reported occurrence to job satisfaction. Implications of off-task behaviour at work are discussed with respect to the changing nature of work. 相似文献
99.
Jacqueline L. Kinley Sandra M. Reyno 《International journal of group psychotherapy》2016,66(2):161-178
In this article, we introduce a preliminary, neurobiologically informed model of group therapy that links the timing and nature of specific group interventions with hypothesized changing neurobiological needs of the group. We suggest that the observed phases of group development reflect an underlying reorganization of neuronal circuitry that occurs as members progress through a hierarchically organized treatment, and that this reorganization involves the integration and homeostatic rebalancing of subcortical and neural networks. Our preliminary Dynamic Relational Model suggests that an understanding of the neurobiological processes involved in group development may help inform and direct effective group-based psychotherapy interventions. 相似文献
100.
The present study provides the first known systematic examination of the association of hookup culture endorsement and rape myth acceptance. Multivariate regression analysis was conducted to test the primary hypothesis that hookup culture endorsement would be the primary predictor of rape myth acceptance levels among a sample of 422 U.S. college students. Findings indicated the existence of a complex relationship in which rape myth acceptance increases or decreases based upon the form of hookup culture endorsement examined. Beliefs that hookups are harmless and elevate social status increased rape myth acceptance, whereas beliefs that hookups express sexual freedom decreased rape myth acceptance. Furthermore, results supported the hypothesis that hookup culture endorsement was the largest predictor of rape myth acceptance. Consistent with previous studies, the predictive power of gender and religiosity in determining levels of rape myth acceptance were shown to be significant. When controlling for levels of hookup culture endorsement, the explanatory power of these variables decreased, and hookup culture endorsement had the largest effect upon rape myth acceptance levels. 相似文献