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Visual search and autism symptoms: What young children search for and co‐occurring ADHD matter
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Brianna R Doherty Tony Charman Mark H Johnson Gaia Scerif the BASIS Team 《Developmental science》2018,21(5)
Superior visual search is one of the most common findings in the autism spectrum disorder (ASD) literature. Here, we ascertain how generalizable these findings are across task and participant characteristics, in light of recent replication failures. We tested 106 3‐year‐old children at familial risk for ASD, a sample that presents high ASD and ADHD symptoms, and 25 control participants, in three multi‐target search conditions: easy exemplar search (look for cats amongst artefacts), difficult exemplar search (look for dogs amongst chairs/tables perceptually similar to dogs), and categorical search (look for animals amongst artefacts). Performance was related to dimensional measures of ASD and ADHD, in agreement with current research domain criteria (RDoC). We found that ASD symptom severity did not associate with enhanced performance in search, but did associate with poorer categorical search in particular, consistent with literature describing impairments in categorical knowledge in ASD. Furthermore, ASD and ADHD symptoms were both associated with more disorganized search paths across all conditions. Thus, ASD traits do not always convey an advantage in visual search; on the contrary, ASD traits may be associated with difficulties in search depending upon the nature of the stimuli (e.g., exemplar vs. categorical search) and the presence of co‐occurring symptoms. 相似文献
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Arianna Buttafuoco Tiziana Pedale Tony W. Buchanan Valerio Santangelo 《Cognitive processing》2018,19(1):125-132
Emotional events are thought to have privileged access to attention and memory, consuming resources needed to encode competing emotionally neutral stimuli. However, it is not clear whether this detrimental effect is automatic or depends on the successful maintenance of the specific emotional object within working memory. Here, participants viewed everyday scenes including an emotional object among other neutral objects followed by a free-recollection task. Results showed that emotional objects—irrespective of their perceptual saliency—were recollected more often than neutral objects. The probability of being recollected increased as a function of the arousal of the emotional objects, specifically for negative objects. Successful recollection of emotional objects (positive or negative) from a scene reduced the overall number of recollected neutral objects from the same scene. This indicates that only emotional stimuli that are efficient in grabbing (and then consuming) available attentional resources play a crucial role during the encoding of competing information, with a subsequent bias in the recollection of neutral representations. 相似文献
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Tony Carter Jane Z. Sojka Tony Carter Becky Oliphant 《Journal of Personal Selling & Sales Management》2013,33(3):189-191
Using practicing sales managers as subjects, the results indicate that personal characteristics of gender and weight may be used in making disciplinary judgments following episodes of a particular type of unacceptable work behavior, an unethical selling act. As hypothesized, saleswomen were disciplined less severely while overweight salespeople were disciplined more severely. However, being overweight produced harsher discipline for saleswomen but had no effect on salesmen. A stated organizational policy about the particular type of unacceptable behavior used did bring about more equal treatment for those described as overweight but did not even out the discipline administered to men and women. 相似文献
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The present study assessed if children would present different information in their drawings of emotion eliciting stimuli when they believed that an adult or a child audience would view their drawings. Seventy‐five 6‐year‐olds (44 boys and 31 girls) were allocated to three groups: the reference group, the child audience group and the adult audience group. All children completed a drawing session where they first drew a neutral uncharacterised figure, followed by drawings of a sad and a happy figure in counterbalanced order. Findings demonstrated that children did consider who would be viewing their drawings when communicating emotional affect and included different features within their drawings. In particular, almost all happy drawings included a smile, but only those drawings where an audience was specified included a wave, and only the adult drawings included flower giving. Within the sad drawings tears and frowns were drawn regardless of audience type, whereas stomping was more likely to be portrayed in drawings with a child audience and thumbs down were more likely to be portrayed in drawings with adult audiences. The findings are discussed in terms of the need to further examine communicative aspects of children's drawings. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
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Background
Progressive myelination during adolescence implicates an increased vulnerability to neurotoxic substances and enduring neurocognitive consequences. This study examined the cognitive manifestations of altered white matter microstructure in chronic marijuana and alcohol-using (MJ + ALC) adolescents.Methods
Thirty-six MJ + ALC adolescents (ages 16–19) and 36 demographically similar controls were evaluated with diffusion tensor imaging (Bava et al., 2009) and neurocognitive tests. Regions of group difference in fractional anisotropy (FA) and mean diffusivity (MD) were analyzed in relation to cognitive performance.Results
In users, lower FA in temporal areas related to poorer performance on attention, working memory, and speeded processing tasks. Among regions where users had higher FA than controls, occipital FA was positively associated with working memory and complex visuomotor sequencing, whereas FA in anterior regions was negatively associated with verbal memory performance.Conclusions
Findings suggest differential influences of white matter development on cognition in MJ + ALC using adolescents than in non-using peers. Neuroadaptation may reflect additive and subtractive responses to substance use that are complicated by competing maturational processes. 相似文献230.
ABSTRACT— The art of acting has been defined as the ability to live truthfully under imaginary circumstances. Our many years of researching theatrical expertise have produced findings relevant to text comprehension, learning theory, cognitive aging, and expert memory. In this article, we first discuss how large amounts of dialogue, learned in a very short period, can be reproduced in real time with complete spontaneity. We then turn to abstracting the essence of acting and applying it to diverse undertakings, from discovering optimal learning strategies to promoting healthy cognitive aging. Finally, we address the implications of acting expertise on current theories of embodied cognition. 相似文献