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排序方式: 共有223条查询结果,搜索用时 46 毫秒
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Carmen Moret‐Tatay Amparo Moreno‐Cid Irani Iracema de Lima Argimon Tatiana Quarti Irigaray Marcin Szczerbinski Mike Murphy Andrea Vázquez‐Martínez Joan Vázquez‐Molina Begoña Sáiz‐Mauleón Esperanza Navarro‐Pardo Pedro Fernández de Córdoba Castellá 《Scandinavian journal of psychology》2014,55(5):420-426
The aim of this work was to study the effects of valence and age on visual image recognition memory. The International Affective Picture System (IAPS) battery was used, and response time data were analyzed using analysis of variance, as well as an ex‐Gaussian fit method. Older participants were slower and more variable in their reaction times. Response times were longer for negative valence pictures, however this was statistically significant only for young participants. This suggests that negative emotional valence has a strong effect on recognition memory in young but not in old participants. The τ parameter, often related to attention in the literature, was smaller for young than old participants in an ex‐Gaussian fit. Differences on the τ parameter might suggest poorer attentional performance in old participants. 相似文献
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The Psychological Record - The stimulus equivalence paradigm is a behavioral model to study meaning. This study extends work that has used the equivalence paradigm to study the meaning of... 相似文献
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Creativity is the ability to come up with new and original solutions to problems. It is characterized along a dipole spectrum, with the opposing ends defined as convergent and divergent thinking. Previous studies have provided evidence that various cognitive functions and insight into non-verbal problems can be enhanced using non-invasive brain stimulation. The aim of this pilot study was to investigate whether convergent and divergent thinking, as well as insight, can be modulated by transcranial direct current stimulation (tDCS) over the anterior temporal lobe (ATL). Bilateral tDCS (1.5 mA, 20 minutes) was used to modulate activity of the right (AR tDCS) and the left (AL tDCS) ATL. Twenty-one participants performed a divergent thinking test (DTT) during tDCS, while a Remote Associates Task (RAT) was administered before and after tDCS to assess convergent thinking. A control experiment, using a Simple Reaction Time (SRT) Task, was conducted in 10 subjects before and after ATL tDCS in order to investigate whether its effects reflect attention or motor effects on the dominant hand. Results from this preliminary study showed that AL tDCS reduced RAT reaction times (RTs) by 20%. Both AL and AR tDCS did not change RAT accuracy, or the DTT total or sub-item scores. No differences were found in the SRT task after either AL or AR tDCS. These findings suggest that left but not right ATL is involved in convergent thinking. Conversely, both left and right temporal cortex tDCS-induced excitability changes failed to modulate divergent thinking. Limitations are discussed. 相似文献
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Physical activity (PA) attenuates weight-associated morbidity and mortality but PA-based weight bias dissuades many people from engaging in and enjoying physical activity. Guided by self-determination theory, we implemented concept mapping with current and past members and employees of fitness centers. One hundred ideas were generated, representing the concepts of programming, fitness culture, code of conduct, professional development, and physical environment/amenities. The ideas can help design interventions that increase positive attitudes that are autonomous, shared throughout a fitness center, and promote inclusivity. 相似文献
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Ashley C. Lima Teaniese Latham Davis Karen Hilyard Kathleen deMarrais William L. JeffriesIV Jessica Legge Muilenburg 《Sex roles》2018,78(7-8):467-481
In 2015 in the United States, the HIV diagnosis rate among African American women was 16 times that of White women, and HIV especially affected young African American women. African American women’s partnerships with nonmonogamous men may be one factor contributing to this disparity. Previous research has not adequately described factors influencing acceptance of partner nonmonogamy among African American women. To better understand this phenomenon, we interviewed 11 African American women aged 18–24 years-old who reported having sex in the past 3 months and reported knowing or suspecting a partner to have another female partner in the past 12 months. We employed a semi-structured interview guide designed to elicit in-depth, narrative responses from women about their partnerships. We used narrative analysis to interpret findings. Participants described factors that encouraged acceptance of partner nonmonogamy. These factors were social (i.e., limited partner availability, gender norms, and cultural norms), interpersonal (i.e., partner-specific comfort, sexual connection and emotional attachment, and casual partnership type), and intrapersonal (i.e., low self-esteem, loneliness, and fatalistic attitudes about nonmonogamy) in nature. The sociocultural context in which young African American women develop sexual partnerships may influence their attitudes, expectations, and behaviors within these partnerships and place them at increased risk for HIV and other sexually transmitted infections. 相似文献
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Ana P. Pinheiro Diogo Lima Pedro B. Albuquerque Andrey Anikin César F. Lima 《Cognition & emotion》2013,27(8):1577-1586
ABSTRACTHow do we perceive voices coming from different spatial locations, and how is this affected by emotion? The current study probed the interplay between space and emotion during voice perception. Thirty participants listened to nonverbal vocalizations coming from different locations around the head (left vs. right; front vs. back), and differing in valence (neutral, positive [amusement] or negative [anger]). They were instructed to identify the location of the vocalizations (Experiment 1) and to evaluate their emotional qualities (Experiment 2). Emotion-space interactions were observed, but only in Experiment 1: emotional vocalizations were better localised than neutral ones when they were presented from the back and the right side. In Experiment 2, emotion recognition accuracy was increased for positive vs. negative and neutral vocalizations, and perceived arousal was increased for emotional vs. neutral vocalizations, but this was independent of spatial location. These findings indicate that emotional salience affects how we perceive the spatial location of voices. They additionally suggest that the interaction between spatial (“where”) and emotional (“what”) properties of the voice differs as a function of task. 相似文献
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de Lima MN Presti-Torres J Dornelles A Scalco FS Roesler R Garcia VA Schröder N 《Neurobiology of learning and memory》2011,95(3):305-310
The role of dopamine receptors in regulating the formation of recognition memory remains poorly understood. Here we show the effects of systemic administration of dopamine receptor agonists and antagonists on the formation of memory for novel object recognition in rats. In Experiment I, rats received an intraperitoneal (i.p.) injection of vehicle, the selective D1 receptor agonist SKF38393 (1.0 and 5.0mg/kg), or the D2 receptor agonist quinpirole (1.0 and 5.0mg/kg) immediately after training. In Experiment II, rats received an injection of vehicle, the dopamine receptor antagonist SCH23390 (0.1 and 0.05 mg/kg), or the D2 receptor antagonist raclopride (0.5 and 0.1mg/kg) before training, followed by an injection of vehicle or the nonselective dopamine receptor agonist apomorphine (0.05 mg/kg) immediately after training. SKF38393 at 5mg/kg produced an enhancement of novel object recognition memory measured at both 24 and 72 h after training, whereas the dose of 10mg/kg impaired 24-h retention. Posttraining administration of quinpirole did not affect 24-h retention. Apomorphine enhanced memory in rats given pretraining raclopride, suggesting that the effect was mediated by selective activation of D1 receptors. The results indicate that activation of D1 receptors can enhance recognition memory consolidation. Importantly, pharmacological activation of D1 receptors enhanced novel object recognition memory even under conditions in which control rats showed significant retention. 相似文献