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Electroacupuncture improves sleep deprivation-induced cognitive impairment by suppressing hippocampal inflammatory response in mice. 电针通过抑制小鼠海马炎症反应改善睡眠剥夺引起的认知障碍。
IF 2.6 4区 心理学
Stress-The International Journal on the Biology of Stress Pub Date : 2025-12-01 Epub Date: 2025-05-21 DOI: 10.1080/10253890.2025.2502742
Guoyan Li, Jingbo Liu, Kejing Zhang
{"title":"Electroacupuncture improves sleep deprivation-induced cognitive impairment by suppressing hippocampal inflammatory response in mice.","authors":"Guoyan Li, Jingbo Liu, Kejing Zhang","doi":"10.1080/10253890.2025.2502742","DOIUrl":"https://doi.org/10.1080/10253890.2025.2502742","url":null,"abstract":"<p><p>Sleep deprivation (SD) is known to induce neurocognitive dysfunction, with hippocampal inflammation emerging as a critical mediator. Electroacupuncture has shown efficacy in modulating inflammation in neurological disorders, but its potential in mitigating SD-induced cognitive impairment remains underexplored. Using a murine model, we investigated the effects of electroacupuncture on hippocampal inflammation and cognitive function following SD treatment. BALB/c mice underwent sleep disruption using a multiple-platform apparatus and were subsequently treated with electroacupuncture. Cognitive function was assessed using the Morris Water Maze and Y-maze tests. Electroacupuncture treatment significantly ameliorated SD-induced cognitive impairment, as evidenced by improved performance in spatial memory tasks. Additionally, electroacupuncture attenuated hippocampal inflammation, characterized by reduced levels of pro-inflammatory cytokines (IL-1β, MCP-1 and TNF-α) and increased expression of the anti-inflammatory cytokine IL-10. Mechanistically, electroacupuncture suppressed microglial activation and inhibited the TLR4/NF-κB signaling pathway within the hippocampus. Electroacupuncture has therapeutic potential in mitigating SD-induced cognitive dysfunction by modulating hippocampal inflammation, which offers a promising non-pharmacological approach for preserving cognitive function in sleep-deprived individuals.</p>","PeriodicalId":51173,"journal":{"name":"Stress-The International Journal on the Biology of Stress","volume":"28 1","pages":"2502742"},"PeriodicalIF":2.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144120382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effects of prepubertal ovariectomy and chronic stress on activity of brain limbic regions in adult mice. 青春期前卵巢切除和慢性应激对成年小鼠脑边缘区活动的影响。
IF 2.6 4区 心理学
Stress-The International Journal on the Biology of Stress Pub Date : 2025-12-01 Epub Date: 2025-06-05 DOI: 10.1080/10253890.2025.2514494
Emma Woodward, Sydney Fitzcharles, Laurence Coutellier
{"title":"The effects of prepubertal ovariectomy and chronic stress on activity of brain limbic regions in adult mice.","authors":"Emma Woodward, Sydney Fitzcharles, Laurence Coutellier","doi":"10.1080/10253890.2025.2514494","DOIUrl":"https://doi.org/10.1080/10253890.2025.2514494","url":null,"abstract":"<p><p>Women are twice as likely than men to develop an anxiety disorder after stress exposure stress, a sex-specific vulnerability that arises after puberty. This suggests that pubertal hormones could contribute to the central changes induced by stress and leading to behavioral deregulations. The main brain regions involved in stress-induced psychopathologies are part of the limbic system, including the prefrontal cortex (PFC), the basolateral amygdala (BLA) and the ventral hippocampus (vHipp). Changes in their activity are often reported after stress, contributing to appearance of behavioral symptoms. We aimed at determining whether female pubertal hormones modulate the effects of chronic stress on activity of these limbic regions to identify a potential mechanism underlying the female vulnerability to stress-induced pathologies. Prepubertal adolescent female mice underwent ovariectomy (OVX) or sham surgery. In late adolescence, they started 4 weeks of unpredictable chronic mild stress (UCMS). We used immunohistochemistry to quantify FosB/ΔFosB, a marker of chronic activity, in the PFC, BLA, and vHipp. Prepubertal OVX increased activity of the PFC and decreased activity of the BLA and vHipp, while UCMS had little impact. The PFC was more significantly impacted by both OVX and UCMS, with each of these manipulations increasing number of FosB/ΔFosB+ cells, however without interactive effects. Correlation analyses indicate that level of activity in the PFC and vHipp correlates with measures of anxiety. However, the gonadal status influences strongly these relationships. Our data indicate that pubertal hormones could play a role in the regulation of anxiety through their long-lasting impact on the limbic system.</p>","PeriodicalId":51173,"journal":{"name":"Stress-The International Journal on the Biology of Stress","volume":"28 1","pages":"2514494"},"PeriodicalIF":2.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144235909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reducing the low prevalence effect: Does similarity search translate to binary decisions? 降低低流行率效应:相似性搜索是否转化为二元决策?
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-05-13 DOI: 10.3758/s13414-025-03084-9
Greer Gillies, Anna Kosovicheva
{"title":"Reducing the low prevalence effect: Does similarity search translate to binary decisions?","authors":"Greer Gillies, Anna Kosovicheva","doi":"10.3758/s13414-025-03084-9","DOIUrl":"10.3758/s13414-025-03084-9","url":null,"abstract":"<p><p>In visual search, observers often miss rare targets. This low prevalence effect (LPE) is resistant to many cognitive interventions. However, a recent study showed that having participants identify the item that was most similar to the target (similarity search) eliminated the LPE. As real-world searches often require binary decisions (e.g., is there a threat in this bag?) we tested whether the benefits of similarity search generalize to binary decisions and to more naturalistic stimuli. Participants searched for T shapes amongst near-T distractors and the prevalence of true Ts was manipulated. In the similarity-search-only condition, participants clicked on the \"most T-like object.\" In the similarity search & binary decision condition, participants additionally reported whether the chosen item was a true T (yes/no). We found that in some circumstances, similarity search can be used to attenuate the LPE. However, there was an LPE for the binary decision task. Participants were less likely to classify the target as a true T during low prevalence compared with high. We replicated this result in an additional experiment using more naturalistic stimuli. Participants watched clips of road videos and clicked on the \"most hazardous location\" in the video, followed by a binary decision (\"would you need to respond to that hazard? yes/no\"). Though participants located the hazards regardless of prevalence, there was an LPE for the binary decision task. Together, these results indicate potential limitations in applying similarity search outside the laboratory; the LPE is still seen in these searches if a binary decision is involved.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2105-2120"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144010369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reappearing sensory input guides visual working memory prioritization. 重新出现的感觉输入引导视觉工作记忆的优先级。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-06-11 DOI: 10.3758/s13414-025-03103-9
Damian Koevoet, Christoph Strauch, Marnix Naber, Stefan Van der Stigchel
{"title":"Reappearing sensory input guides visual working memory prioritization.","authors":"Damian Koevoet, Christoph Strauch, Marnix Naber, Stefan Van der Stigchel","doi":"10.3758/s13414-025-03103-9","DOIUrl":"10.3758/s13414-025-03103-9","url":null,"abstract":"<p><p>Adaptive behavior necessitates the prioritization of the most relevant information in the environment (external) and in memory (internal). Internal prioritization is known to guide the selection of external sensory input, but the reverse may also be possible: Does the environment guide the prioritization of memorized material? Here, we addressed whether reappearing sensory input could facilitate the prioritization of other nonreappearing memorized items held in visual working memory (VWM). Participants (total n = 96) memorized three orientations. Crucially some, but not all, items maintained in VWM were made available again in the environment. These reappearing items never had to be reproduced later. Experiment 1 showed that the reappearance of all but one memory item benefited accuracy and speed to the same extent as a spatial retro cue. This shows that reappearing items allow for the dynamic prioritization of another nonreappearing memorized item. What aspects of the reappearing sensory input drive this effect? Experiments 2-4 demonstrated that prioritization was facilitated most if reappearing items matched VWM content in terms of both location and orientation. Sensory input fully matching VWM is possibly processed more efficiently and/or protects against interference, ultimately leading to stronger prioritization of other memory content. We propose that the link between sensory processing and VWM is bidirectional: internal representations guide the processing of sensory input, which in turn facilitates the prioritization of other VWM content to subserve adaptive behavior. All data and analysis scripts are available online ( https://osf.io/qzvkc/ ).</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2129-2145"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12331865/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144276782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stay calm in crowds: Avoiding emotional faces in ensemble perception. 在人群中保持冷静:在整体感知中避免情绪化的面孔。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-07-10 DOI: 10.3758/s13414-025-03124-4
Xin Luo, Megan Bartlett, Michael E R Nicholls
{"title":"Stay calm in crowds: Avoiding emotional faces in ensemble perception.","authors":"Xin Luo, Megan Bartlett, Michael E R Nicholls","doi":"10.3758/s13414-025-03124-4","DOIUrl":"10.3758/s13414-025-03124-4","url":null,"abstract":"<p><p>Previous research has shown that people tend to display attentional biases toward faces with strong emotions within crowds, often overestimating the extremity of the average emotional expression. However, this emotional amplification effect has not been consistently observed in tasks where observers summarize other crowd features, such as the number of faces. This study aims to explore the attentional mechanisms underlying these inconsistent findings. To do so, we recruited 584 participants across four online experiments and employed an equivalence judgment task to assess participants' ability to estimate the number of emotional faces. In the task, participants determined whether the number of two types of facial expressions within a series of crowds was the \"same\" or \"different.\" Experiment 1 revealed that the number of emotional faces (angry and happy) was underestimated relative to neutral faces. Experiment 2 replicated this underestimation effect across different face types and exposure durations. Experiment 3 demonstrated that the emotional amplification effect may be caused by strong emotion contrasts within crowds. Experiment 4 confirmed that the underestimation of the number of emotional faces could be replicated in the numerosity estimation task with different instructions. Our findings suggest that people may strategically suppress attention to emotional faces to mitigate their emotional response. This study provides important empirical evidence to enhance our understanding of the cognitive processes underlying emotion perception and social behavior.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2223-2240"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12331794/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144610413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Task-irrelevant abrupt onsets differentially impact value-related orienting and maintenance. 与任务无关的突然发作对价值相关的定向和维护有不同的影响。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-05-13 DOI: 10.3758/s13414-025-03078-7
Carly Chak, Emily Machniak, Barry Giesbrecht
{"title":"Task-irrelevant abrupt onsets differentially impact value-related orienting and maintenance.","authors":"Carly Chak, Emily Machniak, Barry Giesbrecht","doi":"10.3758/s13414-025-03078-7","DOIUrl":"10.3758/s13414-025-03078-7","url":null,"abstract":"<p><p>Physically salient stimuli are potent influences on behavior, but their negative impacts can be reduced in the presence of explicit goal-related cues. Here, we investigated whether goal-related cues associated with value are capable of insulating information from task-irrelevant abrupt onsets during two stages of information processing. Abrupt onsets were shown either after attention-directing cues and before a target (Experiment 1) or after a target that is to be remembered for later report (Experiment 2). The cues indicated the value associated with upcoming target locations, and they were either different in value, indicating that one was more valuable than the other, or equal in value. In both experiments, subjects were instructed to report the target that would earn them the most points (Experiment 1) or money (Experiment 2). In Experiment 1, performance suffered with equal cues, suggesting that orienting to multiple locations increases susceptibility to distraction from physically salient stimuli. In Experiment 2, the same pattern did not appear for abrupt onsets during the retention period; instead, the impact of the physically salient stimulus was dependent upon working memory capacity. The differential impact of abrupt onsets prior to (Experiment 1) and after (Experiment 2) encoding of value-related target locations suggest that physically salient task-irrelevant stimuli influence value-related information processing differently during orienting and maintenance.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2048-2058"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12331772/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144059241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of auditory cues to lexical stress on the visual perception of gestural timing. 词汇重音听觉线索对手势时间视觉知觉的影响。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-04-30 DOI: 10.3758/s13414-025-03072-z
Chengjia Ye, James M McQueen, Hans Rutger Bosker
{"title":"Effect of auditory cues to lexical stress on the visual perception of gestural timing.","authors":"Chengjia Ye, James M McQueen, Hans Rutger Bosker","doi":"10.3758/s13414-025-03072-z","DOIUrl":"10.3758/s13414-025-03072-z","url":null,"abstract":"<p><p>Speech is often accompanied by gestures. Since beat gestures-simple nonreferential up-and-down hand movements-frequently co-occur with prosodic prominence, they can indicate stress in a word and hence influence spoken-word recognition. However, little is known about the reverse influence of auditory speech on visual perception. The current study investigated whether lexical stress has an effect on the perceived timing of hand beats. We used videos in which a disyllabic word, embedded in a carrier sentence (Experiment 1) or in isolation (Experiment 2), was coupled with an up-and-down hand beat, while varying their degrees of asynchrony. Results from Experiment 1, a novel beat timing estimation task, revealed that gestures were estimated to occur closer in time to the pitch peak in a stressed syllable than their actual timing, hence reducing the perceived temporal distance between gestures and stress by around 60%. Using a forced-choice task, Experiment 2 further demonstrated that listeners tended to perceive a gesture, falling midway between two syllables, on the syllable receiving stronger cues to stress than the other, and this auditory effect was greater when gestural timing was most ambiguous. Our findings suggest that f0 and intensity are the driving force behind the temporal attraction effect of stress on perceived gestural timing. This study provides new evidence for auditory influences on visual perception, supporting bidirectionality in audiovisual interaction between speech-related signals that occur in everyday face-to-face communication.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2207-2222"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12331874/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144042921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distractor suppression driven by statistical regularities of target could occur only for larger search arrays. 由目标统计规律驱动的干扰抑制只有在较大的搜索阵列中才会出现。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-07-11 DOI: 10.3758/s13414-025-03099-2
Xing Zhou, Yun Sun, Qi Zhang, Feifei Cui
{"title":"Distractor suppression driven by statistical regularities of target could occur only for larger search arrays.","authors":"Xing Zhou, Yun Sun, Qi Zhang, Feifei Cui","doi":"10.3758/s13414-025-03099-2","DOIUrl":"10.3758/s13414-025-03099-2","url":null,"abstract":"<p><p>A number of studies have suggested that biasing the probability by which distractors appear at locations in visual space may lead to attentional suppression of high-probability distractor locations. It effectively reduces capture by a distractor but also impairs target selection at this location. Recently, there is still debate on whether the distractor processing could be affected by the statistical regularities of the target location. In the current study, through four experiments, we manipulated search array size (the number of the elements on the display - four, six, ten, 12). In each experiment, we manipulated spatial regularities of the target including one low-probability target location and other high-probability target locations. We found that statistical regularities of the target location could affect the distractor processing, but this occurred only for larger search array sizes (e.g., ten and 12 elements). Our new finding provided the evidence for whether statistical regularities regarding the target could affect distractor processing. We concluded that search array size was a potential and critical factor for determining whether distractor suppression could be driven by statistical regularities of target location.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2069-2084"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144621161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Localization abilities with a visual-to-auditory substitution device are modulated by the spatial arrangement of the scene. 使用视觉-听觉替代装置的定位能力受到场景空间安排的调节。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-04-25 DOI: 10.3758/s13414-025-03065-y
Camille Bordeau, Florian Scalvini, Cyrille Migniot, Julien Dubois, Maxime Ambard
{"title":"Localization abilities with a visual-to-auditory substitution device are modulated by the spatial arrangement of the scene.","authors":"Camille Bordeau, Florian Scalvini, Cyrille Migniot, Julien Dubois, Maxime Ambard","doi":"10.3758/s13414-025-03065-y","DOIUrl":"10.3758/s13414-025-03065-y","url":null,"abstract":"<p><p>Visual-to-auditory substitution devices convert visual images into soundscapes. They are intended for use by blind people in everyday situations with various obstacles that need to be localized simultaneously, as well as irrelevant objects that must be ignored. It is therefore important to establish the extent to which substitution devices make it possible to localize obstacles in complex scenes. In this study, we used a substitution device that combines spatial acoustic cues and pitch modulation to convey spatial information. Nineteen blindfolded sighted participants had to point at a virtual target that was displayed alone or among distractors to evaluate their ability to perform a localization task in minimalist and complex virtual scenes. The spatial configuration of the scene was manipulated by varying the number of distractors and their spatial arrangement relative to the target. While elevation localization abilities were not impaired by the presence of distractors, the ability to localize the azimuth of the target was modulated when a large number of distractors were displayed at the same elevation as the target. The elevation localization performance tends to confirm that pitch modulation is effective to convey elevation information with the device in various spatial configurations. Conversely, the impairment to azimuth localization seems to result from segregation difficulties that arise when the spatial configuration of the objects does not allow pitch segregation. This must be considered in the design of substitution devices in order to help blind people correctly evaluate the risks posed by different situations.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2184-2206"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144040968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How prevalence expectations and feedback impact decision-making in person searches. 流行预期和反馈如何影响人的搜索决策。
IF 1.7 4区 心理学
Attention Perception & Psychophysics Pub Date : 2025-10-01 Epub Date: 2025-06-16 DOI: 10.3758/s13414-025-03107-5
Chenxin Yu, Kara N Moore, Dara U Zwemer
{"title":"How prevalence expectations and feedback impact decision-making in person searches.","authors":"Chenxin Yu, Kara N Moore, Dara U Zwemer","doi":"10.3758/s13414-025-03107-5","DOIUrl":"10.3758/s13414-025-03107-5","url":null,"abstract":"<p><p>Searching for missing or wanted persons is a challenging task that requires sustained attention and active scanning for a difficult-to-recognize stimulus (i.e., an unfamiliar face). Given the naturally low prevalence of missing or wanted persons, people may have low expectations of encountering them in their midst. Understanding how their expectations, combined with feedback and experience, influence search performance is critical for improving real-world search efforts. We manipulated prevalence expectations (40% vs. 2%) and trial-level performance feedback (present vs. absent) in a visual search task for unfamiliar target faces. Critically, the target persons never appeared during the task. We examined how performance changed over time. Among participants who did not receive feedback, those with high-prevalence expectations made more false alarms and terminated their searches earlier than those with low-prevalence expectations. In contrast, participants who received feedback were not affected by prevalence expectations. While prevalence expectations had limited impact on search behavior, feedback enhanced participants' ability to align their expectations with the true prevalence rate more effectively.</p>","PeriodicalId":55433,"journal":{"name":"Attention Perception & Psychophysics","volume":" ","pages":"2146-2164"},"PeriodicalIF":1.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144310870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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