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Psychophysiology
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3.38
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6026
Papers 6060
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#1Alexandra Michelle Muir (BYU: Brigham Young University)
#2Ariana Hedges-Muncy (BYU: Brigham Young University)H-Index: 1
Last. Michael J. Larson (BYU: Brigham Young University)H-Index: 34
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#1Eduardo Bellomo (Bangor University)H-Index: 1
#2Andrew Cooke (Bangor University)H-Index: 10
Last. James Hardy (Bangor University)H-Index: 23
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#1Carlos I. Mena (Edin.: University of Edinburgh)
#2Kadi Lang (Edin.: University of Edinburgh)
Last. Elena Gherri (Edin.: University of Edinburgh)H-Index: 4
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#1Zhi Li (UR: University of Rochester)H-Index: 4
#2Melissa L. Sturge-Apple (UR: University of Rochester)H-Index: 25
Last. Patrick T. Davies (UR: University of Rochester)H-Index: 49
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#1Maximilian Bruchmann (WWU: University of Münster)H-Index: 11
#2Sebastian Schindler (WWU: University of Münster)H-Index: 9
Last. Thomas Straube (WWU: University of Münster)H-Index: 32
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Prioritized processing of fearful compared to neutral faces is reflected in behavioral advantages such as lower detection thresholds, but also in enhanced early and late event-related potentials (ERPs). Behavioral advantages have recently been associated with the spatial frequency spectrum of fearful faces, better fitting the human contrast sensitivity function than the spectrum of neutral faces. However, it is unclear whether and to which extent early and late ERP differences are due to low-lev...
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#1Micha Keller (RWTH Aachen University)
Last. Klaus Mathiak (RWTH Aachen University)H-Index: 38
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Supratentorial brain structures such as the insula and the cingulate cortex modulate the autonomic nervous system (ANS). The neural underpinnings of separate frequency bands for variability in cardiac and respiratory data have been suggested in explaining parasympathetic and sympathetic ANS modulation. As an extension, an intermediate (IM) band in peripheral physiology has been considered to reflect psychophysiological states during rest. Using functional magnetic resonance imaging (fMRI), we in...
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The present study examined the mechanisms underlying stimulus sequence effects on the parietal P300 and frontal P3a elicited by infrequent targets in an oddball paradigm and compared these effects between young and older adults. Fifty young and 50 healthy older adults completed a simple visual oddball task including an infrequent (20%) target stimulus. A temporo-spatial principal component (PCA) analysis was used to disentangle the parietal P300 and frontal P3a from overlapping ERP components. T...
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#1Sarah L. Aghjayan (University of Pittsburgh)
#2John M. Jakicic (University of Pittsburgh)H-Index: 66
Last. Kirk I. Erickson (University of Pittsburgh)H-Index: 60
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The Fitness Versus Body Fat Hypothesis argues that cardiorespiratory fitness (CRF) plays a more important role in cardiovascular health than adiposity. It remains poorly understood whether CRF or adiposity accounts for a greater amount of variation in measures of brain health. We examined the contribution of CRF, adiposity, and their interaction with hippocampal structure. This study included 124 sedentary adults (M = 44.34) with overweight/obesity (Body Mass Index mean = 32.43). FMRIB's Integra...
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#1Chelsea M. Stillman (University of Pittsburgh)H-Index: 7
#2John M. Jakicic (University of Pittsburgh)H-Index: 66
Last. Kirk I. Erickson (University of Pittsburgh)H-Index: 60
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Overweight and obesity may damage the cerebrovascular architecture, resulting in a significant reduction in cerebral blood flow. To date, there have been few randomized clinical trials (RCT) examining whether obesity-related reductions in cerebral blood flow could be modified by weight loss. Further, it is unknown whether the behavioral intervention strategy for weight loss (i.e., diet alone or diet combined with exercise) differentially influences cerebral blood flow in adults with overweight o...
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#1Youlong Zhan (Hunan University of Science and Technology)H-Index: 1
#2Xiao Xiao (Hunan First Normal University)H-Index: 2
Last. Yiping Zhong (Hunan Normal University)H-Index: 6
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Although economists have suggested that humans generally prioritize maximizing their own self-interest rather than others' when distributing rewards, recent psychological studies have shown that people are hyperaltruistic when allocating physical harm to themselves and others during moral decision-making. However, little is known about how the neurocognitive mechanisms underlying self-relevance modulate this behavioral tendency under different degrees of physical harm. This study adopted a moral...
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