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Biological Psychology
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#1Kathryn L. Modecki (Griffith University)H-Index: 16
#2Laura K. Murphy (Griffith University)
Last.Allison M. Waters (Griffith University)H-Index: 33
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Abstract The mechanisms by which exposure to adversity contributes to psychopathology development are poorly understood. Recent models link experiences of threat of harm and deprivation to psychopathology via disruptions in learning mechanisms underlying fear acquisition and extinction. We empirically tested dimensional elements of this model, by examining whether exposure to images of community violence or neglect differentially influenced fear learning and extinction relative to exposure to ne...
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#1Masayuki Hikita (Fukushima Medical University)
#2Tetsuya Shiga (Fukushima Medical University)H-Index: 5
Last.Takashi Matsuoka (Fukushima Medical University)
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Abstract Both stream segregation and temporal integration are considered important for auditory scene analysis in the brain. Several previous studies have indicated that stream segregation may precede temporal integration when both processes are required. In the present study, we utilized mismatch negativity (MMN)—which reflects automatic change detection—to systematically estimate the threshold of the frequency difference at which stream segregation occurs prior to temporal integration when the...
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#1Farid Pazhoohi (UBC: University of British Columbia)H-Index: 7
#2Joana Arantes (University of Minho)H-Index: 7
Last.Diego Pinal (University of Minho)H-Index: 1
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Abstract Previous neurophysiological studies have revealed the neural correlates of human body form perception, as well as those related to the perception of attractive body sizes. In the current study we aimed to extend the neurophysiological studies regarding body perception by investigating the perception of human body posture to provide insights into the cognitive mechanisms responsive to bodily form, and the processing of its attractiveness. To achieve these aims, we used the contrapposto p...
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#1Darin R. Brown (Pitzer College)
#2James F. Cavanagh (UNM: University of New Mexico)H-Index: 25
Abstract Both the Reward Positivity (RewP) and the novelty N2 component appear within the same spatio-temporal window. This signal overlap impedes the assessment of the RewP evoked by complex novel rewards like affective or motivational imagery. Here we conducted a series of experiments which successfully isolated signals of reward and novelty through spectral decomposition as well as with experimental manipulations that systematically removed the influence of novelty on the reward-evoking image...
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#1Francisco L. Colino (UVic: University of Victoria)H-Index: 2
#2Matthew Heath (UWO: University of Western Ontario)H-Index: 26
Last.Olave E. Krigolson (UVic: University of Victoria)H-Index: 10
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Abstract The feedback that we receive shapes how we learn. Previous research has demonstrated that quantitative feedback results in better performance than qualitative feedback. However, the data supporting a quantitative feedback advantage are not conclusive and further little work has been done to examine the mechanistic neural differences that underlie the relative benefits of quantitative and qualitative feedback. To address these issues, participants learned a simple motor task in quantitat...
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#1Cynthia J. Willner (PSU: Pennsylvania State University)H-Index: 7
#2Michelle K. Jetha (Cape Breton University)H-Index: 13
Last.Lisa M. Gatzke-Kopp (PSU: Pennsylvania State University)H-Index: 23
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Abstract Attentional bias to threat has been implicated in both internalizing and externalizing disorders. This study utilizes event-related potentials to examine early stages of perceptual attention to threatening (angry or fearful) versus neutral faces among a sample of 200 children ages 6–8 years from a low-income, urban community. Although both internalizing and externalizing symptoms were associated with processing biases, the nature of the bias differed between these two symptom domains. I...
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#1Mengqi Zhu (Jiangxi Normal University)
#2Bingxin Zhuo (Jiangxi Normal University)
Last.Fuhong Li (Jiangxi Normal University)H-Index: 2
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Abstract Positive or negative feedback is usually used to maintain or shift a sorting rule in the Wisconsin Card Sorting Test (WCST). Previous studies have demonstrated that negative feedback evokes a larger P3 than positive feedback. However, it is unclear whether the neural response is different for negative feedback appearing at different stages of the WCST. We compared ERPs evoked by the negative feedback appearing at the rule-switching stage (switch-NF) with those appearing at the rule-lear...
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#1Roseriet Beijers (Radboud University Nijmegen)H-Index: 13
#2Daria Daehn (Radboud University Nijmegen)
Last.Carolina de Weerth (Radboud University Nijmegen)H-Index: 32
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Abstract Although maternal postpartum depressive symptoms (PDS) are associated with child behavior problems, the underlying biological mechanisms are poorly understood. Thus, the current study focused on 193 healthy mother-child dyads and investigated child cortisol and telomere length as potential mediating factors. At 3 and 6 months postpartum, mothers reported on PDS. At age 6, children provided saliva and buccal swab samples. At age 10, mothers and children reported on child behavior problem...
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#1Ferenc Köteles (ELTE: Eötvös Loránd University)H-Index: 14
#2Ivett Éliás (ELTE: Eötvös Loránd University)
Last.Renáta Szemerszky (ELTE: Eötvös Loránd University)H-Index: 10
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Abstract Previous research demonstrated that individuals are able to reliably reproduce their heart rate under physical load, however, they are prone to underestimate it. It was also assumed that the ability to perceive heartbeats under resting conditions might play a role in the regulation of physical activity. In an experimental setting, 47 young individuals were asked to complete the Schandry task and reproduce three different exercise intensities with respect to heart rate on a treadmill. Re...
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#1Toshiyuki Himichi (Kochi University of Technology)H-Index: 1
#2Yohsuke Ohtsubo (Kobe University)H-Index: 12
Abstract Previous studies have shown that the high frequency component of heart rate variability is associated with empathic emotions (empathic concern and personal distress) negatively and quadratically—there is an inverted U-shaped relationship between tonic parasympathetic nervous system (PNS) activity and empathy. However, it is unclear whether the inverted U-shape also applies to the relationship between phasic PNS activity and empathic emotions. Therefore, the present study addressed this ...
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Developmental psychology
Stimulus (physiology)
Psychology
Electroencephalography
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