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61.
Nathaniel Thom Justin Knight Rod Dishman Dean Sabatinelli Douglas C. Johnson Brett Clementz 《Cognitive, affective & behavioral neuroscience》2014,14(2):849-860
Emotional faces and scenes carry a wealth of overlapping and distinct perceptual information. Despite widespread use in the investigation of emotional perception, expressive face and evocative scene stimuli are rarely assessed in the same experiment. Here, we evaluated self-reports of arousal and pleasantness, as well as early and late event-related potentials (e.g., N170, early posterior negativity [EPN], late positive potential [LPP]) as subjects viewed neutral and emotional faces and scenes, including contents representing anger, fear, and joy. Results demonstrate that emotional scenes were rated as more evocative than emotional faces, as only scenes produced elevated self-reports of arousal. In addition, viewing scenes resulted in more extreme ratings of pleasantness (and unpleasantness) than did faces. EEG results indicate that both expressive faces and emotional scenes evoke enhanced negativity in the N170 component, while the EPN and LPP components show significantly enhanced modulation only by scene, relative to face stimuli. These data suggest that viewing emotional scenes results in a more pronounced emotional experience that is associated with reliable modulation of visual event-related potentials that are implicated in emotional circuits in the brain. 相似文献
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Searching for two categories of target in dynamic visual displays impairs monitoring ability 下载免费PDF全文
Alex Muhl‐Richardson Katherine Cornes Hayward J. Godwin Matthew Garner Julie A. Hadwin Simon P. Liversedge Nick Donnelly 《Applied cognitive psychology》2018,32(4):440-449
Target onsets in dynamically changing displays can be predicted when contingencies exist between different stimulus states over time. In the present study, we examined predictive monitoring when participants searched dynamically changing displays of numbers and colored squares for a color target, a number target, or both. Stimuli were presented in both contiguous and discrete spatial configurations. Response time (RT) and accuracy were recorded, and evidence of predictive monitoring was assessed via first fixations and refixations of target‐predictive stimuli. RTs to target onsets and evidence of predictive monitoring were reduced in dual‐target, relative to single‐target, conditions. Further, predictive monitoring did not speed RTs but was influenced by display configuration. In particular, discrete displays impaired monitoring for number targets in the dual‐target condition. Implications exist for real‐world visual tasks involving multiple target categories and for visual display design. 相似文献
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Angela Gutchess Lauryn Garner Laura Ligouri Ayse Isilay Konuk Aysecan Boduroglu 《Cognition & emotion》2018,32(6):1339-1346
The present study assessed the extent to which culture impacts the emotion-induced memory trade-off effect. This trade-off effect occurs because emotional items are better remembered than neutral ones, but this advantage comes at the expense of memory for backgrounds such that neutral backgrounds are remembered worse when they occurred with an emotional item than with a neutral one. Cultures differ in their prioritisation of focal object versus contextual background information, with Westerners focusing more on objects and Easterners focusing more on backgrounds. Americans, a Western culture, and Turks, an Eastern-influenced culture, incidentally encoded positive, negative, and neutral items placed against neutral backgrounds, and then completed a surprise memory test with the items and backgrounds tested separately. Results revealed a reduced trade-off for Turks compared to Americans. Although both groups exhibited an emotional enhancement in item memory, Turks did not show a decrement in memory for backgrounds that had been paired with emotional items. These findings complement prior ones showing reductions in trade-off effects as a result of task instructions. Here, we suggest that a contextual-focus at the level of culture can mitigate trade-off effects in emotional memory. 相似文献
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The Writing Pal is an intelligent tutoring system that provides writing strategy training. A large part of its artificial intelligence resides in the natural language processing algorithms to assess essay quality and guide feedback to students. Because writing is often highly nuanced and subjective, the development of these algorithms must consider a broad array of linguistic, rhetorical, and contextual features. This study assesses the potential for computational indices to predict human ratings of essay quality. Past studies have demonstrated that linguistic indices related to lexical diversity, word frequency, and syntactic complexity are significant predictors of human judgments of essay quality but that indices of cohesion are not. The present study extends prior work by including a larger data sample and an expanded set of indices to assess new lexical, syntactic, cohesion, rhetorical, and reading ease indices. Three models were assessed. The model reported by McNamara, Crossley, and McCarthy (Written Communication 27:57-86, 2010) including three indices of lexical diversity, word frequency, and syntactic complexity accounted for only 6 % of the variance in the larger data set. A regression model including the full set of indices examined in prior studies of writing predicted 38 % of the variance in human scores of essay quality with 91 % adjacent accuracy (i.e., within 1 point). A regression model that also included new indices related to rhetoric and cohesion predicted 44 % of the variance with 94 % adjacent accuracy. The new indices increased accuracy but, more importantly, afford the means to provide more meaningful feedback in the context of a writing tutoring system. 相似文献
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Howe ML Garner SR Charlesworth M Knott L 《Journal of experimental child psychology》2011,108(2):383-393
Can false memories have a positive consequence on human cognition? In two experiments, we investigated whether false memories could prime insight problem-solving tasks. Children and adults were asked to solve compound remote associate task (CRAT) problems, half of which had been primed by the presentation of Deese/Roediger-McDermott (DRM) lists whose critical lures were also the solutions to the problems. In Experiment 1, the results showed that regardless of age, when the critical lure was falsely recalled, CRAT problems were solved more often and significantly faster than problems that were not primed by a DRM list. When the critical lure was not falsely recalled, CRAT problem solution rates and times were no different from when there was no DRM priming. In Experiment 2, without an intervening recall test, children and adults still exhibited higher solution rates and faster solution times to CRAT problems that were primed than to those that were not primed. This latter result shows that priming occurred as a result of false memory generation at encoding and not at retrieval during the recall test. Together, these findings demonstrate that when false memories are generated at encoding, they can prime solutions to insight-based problems in both children and adults. 相似文献
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Annie A. Garner Janice C. Marceaux Sylvie Mrug Cryshelle Patterson Bart Hodgens 《Journal of abnormal child psychology》2010,38(8):1097-1107
The present study examined Sluggish Cognitive Tempo (SCT) in relation to ADHD symptoms, clinical diagnosis, and multiple aspects
of adjustment in a clinical sample. Parent and teacher reports were gathered for 322 children and adolescents evaluated for
behavioral, emotional, and/or learning problems at a university clinic. Confirmatory factor analyses (CFA) supported the presence
of three separate, but correlated factors (SCT, inattention, and hyperactivity/impulsivity) in both parent and teacher ratings.
As expected, SCT symptoms were greatest in youth with ADHD Inattentive type, but were also found in non-ADHD clinical groups.
SCT symptoms were related to inattention, internalizing, and social problems across both parent and teacher informants; for
parent reports, SCT was also related to more externalizing problems. Findings support the statistical validity of the SCT
construct, but its clinical utility is still unclear. 相似文献
70.
Pamela W. Garner Tiffany Stowe Hinton 《Journal of community & applied social psychology》2010,20(6):480-496
We explored linkages among different components of emotional competence and bullying and victimization in children enrolled in community after school programs. Seventy‐seven children were recruited from after school programs and their display rule knowledge for sadness and anger was evaluated. Their emotion self‐regulation skills and bullying experiences were also assessed. Knowledge of display rules for sadness was a negative predictor of physical victimization whereas emotional lability/negativity was positively related to bullying. Boys bullied more than girls and family income was negatively related to bullying and emotional lability/negativity and positively associated with emotion self‐regulation. Emotion self‐regulation mediated the relation between family income and bullying. Analyses also suggested that bullies and bully‐victims had poorer emotion self‐regulation skills than non‐bullies/victims or victims. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献