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121.
Eli Vakil Ayala Bloch Haggar Cohen 《Quarterly journal of experimental psychology (2006)》2017,70(3):579-589
The serial reaction time (SRT) task has generated a very large amount of research. Nevertheless the debate continues as to the exact cognitive processes underlying implicit sequence learning. Thus, the first goal of this study is to elucidate the underlying cognitive processes enabling sequence acquisition. We therefore compared reaction time (RT) in sequence learning in a standard manual activated (MA) to that in an ocular activated (OA) version of the task, within a single experimental setting. The second goal is to use eye movement measures to compare anticipation, as an additional indication of sequence learning, between the two versions of the SRT. Performance of the group given the MA version of the task (n = 29) was compared with that of the group given the OA version (n = 30). The results showed that although overall, RT was faster for the OA group, the rate of sequence learning was similar to that of the MA group performing the standard version of the SRT. Because the stimulus-response association is automatic and exists prior to training in the OA task, the decreased reaction time in this version of the task reflects a purer measure of the sequence learning that occurs in the SRT task. The results of this study show that eye tracking anticipation can be measured directly and can serve as a direct measure of sequence learning. Finally, using the OA version of the SRT to study sequence learning presents a significant methodological contribution by making sequence learning studies possible among populations that struggle to perform manual responses. 相似文献
122.
The research studies the quality of life (QOL) of 127 men and women diagnosed as having a borderline IQ and ADHD living in two major residential programs of the Sharon region in central Israel in respect to their personal, disability, and social ecological variables. Core findings indicate that men and women differ significantly according to their educational background. Among those who studied in a regular educational environment, the main predictor of men's QOL is their monthly income, whereas the main predictor for women is their level of attention deficit symptoms. The only predictor of QOL among men who studied in a special education program is the quality of contact with their mothers, whereas no significant predictor is observed among women. 相似文献
123.
Seasonal affective disorder (SAD) is a form of depression that starts in the fall and ends in the spring. This article reviews existing theories about the relationship between circadian rhythms and the disorder. Recent research indicates that as with pharmacologic antidepressants, at least 2-4 weeks are needed to demonstrate the effectiveness of bright-light therapy compared to placebo. The response to such treatment is strongest with precisely timed light exposure: treatment is optimal during the morning hours when the circadian system is susceptible to phase advance. Such clinical improvement is correlated with the magnitude of the phase shift induced. These observations suggest a model of circadian function in SAD and provide important guidelines for its treatment. 相似文献
124.
Mace David R. Baker Oren H. Becker Russell J. Kempson J. Obert 《Pastoral Psychology》1965,16(3):60-66
Pastoral Psychology - 相似文献
125.
When people are uncertain about the category membership of an item (e.g., Is it a dog or a dingo?), research shows that they tend to rely only on the dominant or most likely category when making inductions (e.g., How likely is it to befriend me?). An exception has been reported using speeded induction judgments where participants appeared to use information from multiple categories to make inductions (Verde, Murphy, &; Ross, 2005). In two speeded induction studies, we found that participants tended to rely on the frequency with which features co-occurred when making feature predictions, independently of category membership. This pattern held whether categories were considered implicitly (Experiment 1) or explicitly (Experiment 2) prior to feature induction. The results converge with other recent work suggesting that people often rely on feature conjunction information, rather than category boundaries, when making inductions under uncertainty. 相似文献
126.
127.
Learning a Generative Probabilistic Grammar of Experience: A Process‐Level Model of Language Acquisition 下载免费PDF全文
We introduce a set of biologically and computationally motivated design choices for modeling the learning of language, or of other types of sequential, hierarchically structured experience and behavior, and describe an implemented system that conforms to these choices and is capable of unsupervised learning from raw natural‐language corpora. Given a stream of linguistic input, our model incrementally learns a grammar that captures its statistical patterns, which can then be used to parse or generate new data. The grammar constructed in this manner takes the form of a directed weighted graph, whose nodes are recursively (hierarchically) defined patterns over the elements of the input stream. We evaluated the model in seventeen experiments, grouped into five studies, which examined, respectively, (a) the generative ability of grammar learned from a corpus of natural language, (b) the characteristics of the learned representation, (c) sequence segmentation and chunking, (d) artificial grammar learning, and (e) certain types of structure dependence. The model's performance largely vindicates our design choices, suggesting that progress in modeling language acquisition can be made on a broad front—ranging from issues of generativity to the replication of human experimental findings—by bringing biological and computational considerations, as well as lessons from prior efforts, to bear on the modeling approach. 相似文献
128.
Karina Sakanaka Cheryl H. Waters Oren A. Levy Elan D. Louis Wendy K. Chung Karen S. Marder Roy N. Alcalay 《Journal of genetic counseling》2014,23(1):114-120
The purpose of the study is to investigate Parkinson disease (PD) patients’ and caregivers’ knowledge of and interest in genetic testing. Gaucher disease (GD) results from recessive mutations in glucocerebrosidase (GBA). Both heterozygote GBA carriers and GD patients are at greater risk for PD. Studies regarding knowledge of and interest in genetic testing have been limited and have not offered genetic results to participants. In this study, 353 PD patients and 180 caregivers were recruited to a PD genetic study. The association between GD, GBA mutations and PD was described to participants who reported their familiarity with genetic terms, answered questions on genetic concepts, and indicated their interest in knowing if they may have GD (two GBA mutations) and other genetic information that could impact their health. Ninety-three-percent of participants were interested in receiving GBA results; however, only 51.6 % of PD participants and 55.6 % of caregivers knew that “scientists have identified genes associated with a higher risk of developing PD.” PD patients may benefit from education and genetic counseling on the implications of genetic testing. 相似文献
129.
ATTACHMENT IN INFANTS WITH CLEFT LIP AND/OR PALATE: MARGINAL SECURITY AND ITS CHANGES OVER TIME 下载免费PDF全文
Ayala Borghini Josée Despars Stéphanie Habersaat Hélène Turpin Maryline Monnier François Ansermet Judith Hohlfeld Carole Muller‐Nix 《Infant mental health journal》2018,39(2):242-253
This study examines the attachment quality and how this changed over time among infants who had cleft lip and palate (CLP), by conducting a prospective longitudinal study addressing the effects of this type of perinatal event on the parent–infant relationship and the emotional development of the infants. At 12 months of age, the Strange Situation Paradigm (SSP; M. Ainsworth, M.C. Blehar, E. Waters, & T. Wall, 1978) was administered to a sample of 38 CLP infants (born between 2003 and 2010) and 17 healthy controls. At 4 years of age, the Attachment Story Completion Task (ASCT; I. Bretherton, D. Ridgeway, & J. Cassidy, 1990) was administered to 32 individuals from the CLP sample and 14 from the control group. As reported in the literature, CLP infants display secure attachment behaviors as frequently as do control infants (55%). However, a more detailed analysis of the attachment scales revealed that CLP infants show more avoidance and less proximity seeking. In addition, a closer examination of the subcategories of attachment styles revealed that most CLP infants (71%) displayed distal attachment strategies such as the B1/B2 or A1/A2 subcategories. At 4 years old, CLP infants clearly displayed more deactivation and less security than did the control sample. Moreover, when detailing the evolution of attachment individually, almost 60% of the CLP children showing distal strategies at 12 months became deactivated or disorganized when they reached 4 years. Indeed, subtle differences in attachment behaviors at 12 months old—which can be considered marginally secure at that age—may reveal attachment vulnerabilities, which seem to be more apparent over the course of development. 相似文献
130.
Mark Haselgrove Mike E. Le Pelley Navreen K. Singh Hui Qi Teow Richard W. Morris Melissa J. Green Oren Griffiths Simon Killcross 《British journal of psychology (London, England : 1953)》2016,107(4):601-624
The relationship between learned variations in attention and schizotypy was examined in two experiments. In Experiment 1, participants low on a negative subscale of schizotypy exhibited an explicit bias in overt attention towards stimuli that were established as predictive of a trial outcome, relative to stimuli that were irrelevant. The same participants also showed a bias in learning about these stimuli when they presented in a novel context. Neither of these effects was observed in participants high in schizotypy. In Experiment 2, participants low on the negative subscale of schizotypy exhibited faster reaction times towards a target that was cued by a stimulus that had a history of predictive validity relative to a stimulus that had a history of irrelevance. Again, this effect was not present in participants high in schizotypy. These results imply a disruption in the normal allocation of attention to cues that have predictive significance in schizotypy. 相似文献