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91.
Neurophysiology and neuroanatomy of reflexive and voluntary saccades in non-human primates 总被引:2,自引:0,他引:2
A multitude of cognitive functions can easily be tested by a number of relatively simple saccadic eye movement tasks. This approach has been employed extensively with patient populations to investigate the functional deficits associated with psychiatric disorders. Neurophysiological studies in non-human primates performing the same tasks have begun to provide us with insights into the neural mechanisms underlying many cognitive functions. Here, we review studies that have investigated single neuron activity in the superior colliculus (see glossary), frontal eye field, supplementary eye field, dorsolateral prefrontal cortex, anterior cingulate (see glossary) cortex and lateral intraparietal area associated with the performance of visually guided saccades, anti-saccades and memory-guided saccades in awake behaving monkeys. 相似文献
92.
Oshin Vartanian Ann Nakashima Fethi Bouak Ingrid Smith Joseph V. Baranski Bob Cheung 《Cognitive processing》2013,14(1):89-98
Recently, studies have demonstrated that negative valence reduces the magnitude of the belief-bias effect in syllogistic reasoning. This effect has been localized in the reasoning stage, in the form of increased deliberation on trials where validity and conclusion believability are incongruent. Here, using signal detection theory, we show that the attenuation of belief bias observed when valence was negative can also be evoked by a liberal response bias at the decision stage. Indeed, when valence was negative participants adopted a more liberal criterion for judging syllogisms as “valid,” and were overconfident in their judgments. They also displayed less sensitivity in distinguishing between valid and invalid syllogisms. Our findings dovetail with recent evidence from memory research suggesting that negative valence can evoke a liberal response bias without improving performance. Our novel contribution is the demonstration that the attenuating effect of negative valence on belief bias can take multiples routes—by influencing the decision stage as was the case here, the reasoning stage as has been demonstrated elsewhere, and potentially both stages. 相似文献
93.
Mandy Chen Charlotte Johnston Lisa Sheeber Craig Leve 《Journal of abnormal child psychology》2009,37(1):119-130
This study examined whether negative parental attributions for adolescent behaviour mediate the association between parental
and adolescent depressive symptoms, and whether this relationship is moderated by adolescent gender. Mothers and fathers and
124 adolescents (76 girls and 48 boys; ages 14 to 18) participated. Adolescents were primarily Caucasian, and varied in the
level of depressive symptoms (with 27% of the sample meeting diagnostic criteria for a current unipolar depressive disorder).
Parents and adolescents completed measures of depressive symptoms, and participated in a videotaped problem-solving discussion.
After the discussion, each parent watched the videotape and, at 20 s intervals, offered attributions for their adolescent’s
behaviour. Adolescent gender moderated the relation between parental attributions and adolescent depressive symptoms, with
stronger associations for female adolescents. For both mothers and fathers, both parental depressive symptoms and negative
attributions about the adolescent’s behaviour made unique contributions to the prediction of depressive symptoms in adolescent
females. There also was evidence that negative attributions partially mediated the link between depressive symptoms in mothers
and adolescent daughters. The results are interpreted as consistent with parenting as a partial mediator between parental
and adolescent depressive symptoms, and suggest that adolescent girls may be particularly sensitive to parents’ negative interpretations
of their behaviour. 相似文献
94.
95.
Ingrid Schoon Helen Cheng Catharine R. Gale G. David Batty Ian J. Deary 《Intelligence》2010,38(1):144-150
We examined the prospective associations between family socio-economic background, childhood intelligence (g) at age 11, educational and occupational attainment, and social attitudes at age 33 in a large (N = 8804), representative sample of the British population born in 1958. Structural equation Modeling identified a latent trait of ‘liberal social attitudes’ underlying attitude factors that are antiracist, socially liberal, and in support of gender equality. Another attitude factor—‘political trust’—was relatively independent from the latent attitude trait and has somewhat different pathways in relation to the other variables included in the analysis. There was a direct association between higher g at age 11 and more liberal social attitudes and political trust at age 33. For both men and women the association between g and liberal social attitudes was partly mediated via educational qualifications, and to a much lesser extent via adult occupational attainment. For women the association between g and political trust was partly mediated through both educational qualification and occupational attainment, and for men it was mediated mainly via occupational attainment. Men and women who had higher educational qualifications and higher occupational status tend to be more socially liberal and more trusting of the democratic political system. In terms of socio-economic background, people from less privileged families showed less political trust, but did not differ much in liberal social attitudes from those born into relatively more privileged circumstances. This study shows that social background, cognitive ability, education, and own social status influence perceptions of society. 相似文献
96.
Goodman and Kruskal's tau measure of categorical association is advanced as a replacement for conventional measures of effect size for r x c contingency tables. Goodman and Kruskal's tau is an asymmetric measure of categorical association which is based entirely on the observed data and possesses a clear interpretation in terms of proportional reduction in error. Comparisons with conventional measures of effect size based on chi-squared such as Pearson's phi2, Tschuprow's T2, and Cramer's V2 demonstrate the advantages of employing tau as a measure of effect size. 相似文献
97.
Anne?C.?FletcherEmail author Carol?A.?Johnston 《Journal of child and family studies》2016,25(10):3150-3159
Children (N = 404) provided data during 3rd and 4th grades concerning their mothers’ use of punitive discipline and yielding to coercion. Teachers provided data regarding their perceptions of children’s externalizing behaviors at school. We tested a cross-lagged model examining parental disciplinary behaviors as predictors of child externalizing behavior, as well as child externalizing behaviors as a predictor of parental disciplinary behaviors. For boys and for girls, there was over-time stability in all three variables of interest. For boys only, more externalizing behaviors in Grade 3 predicted greater use of punitive discipline by parents and more parental yielding to coercion in Grade 4, over and above Grade 3 levels of these parenting variables. The reverse direction of effects was not observed. 相似文献
98.
Olson IR Jiang Y Moore KS 《Journal of experimental psychology. Human perception and performance》2005,31(5):889-900
The ability to remember visual stimuli over a short delay period is limited by the small capacity of visual working memory (VWM). Here the authors investigate the role of learning in enhancing VWM. Participants saw 2 spatial arrays separated by a 1-s interval. The 2 arrays were identical except for 1 location. Participants had to detect the difference. Unknown to the participants, some spatial arrays would repeat once every dozen trials or so for up to 32 repetitions. Spatial VWM performance increased significantly when the same location changed across display repetitions, but not at all when different locations changed from one display repetition to another. The authors suggest that a major role of learning in VWM is to mediate which information gets retained, rather than to directly increase VWM capacity. 相似文献
99.
100.
Samantha-Kaye Johnston Neville W. Hennessey Suze Leitão 《The Journal of general psychology》2019,146(2):134-169
The attention network test (ANT) assesses efficiency across alerting, orienting, and executive components of visual attention. This study examined approaches to assessing auditory attention networks, and performance was compared to the visual ANT. Results showed (1) alerting was sufficiently elicited in a pitch discrimination and sound localization task, although these effects were unrelated, (2) weak orienting of attention was elicited through pitch discrimination, which varied based on ISI and conflict level, but robust orienting of attention was found through sound localization, and (3) executive control was sufficiently assessed in both pitch discrimination and sound localization tasks, but these effects were unrelated. Correlation analysis suggested that, unlike alerting and orienting, sound localization auditory executive control functions tap a shared attention network system. Overall, the results suggest that auditory ANT measures are largely task and modality specific, with sound localization offering potential to assess all three attention networks in a single task. 相似文献