Preprints (not yet peer-reviewed)

67 downloads
154 views

Background: A “balanced” time perspective has been suggested to have a positive influence on well-being: a sentimental and positive view of the past (high Past Positive), a less pessimistic attitude toward the past (low Past Negative), the desire of experiencing...

["Psychiatry and Psychology","Public Health"]
doi:10.7287/peerj.preprints.1630v1
95 downloads
222 views

Background. Research on sports has revealed that behavioral responses and event-related brain potentials (ERP) are better in expert than in novice athletes for sport-related tasks. Focused attention is essential for optimal athletic performance across different...

["Neuroscience","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1622v1
42 downloads
129 views

The use of the Family Service Coordinator is still a relative newcomer to the organ procurement/transplantation field. Since no comprehensive training and recognition program exists, Lifesharing, A Donate Life Organization, decided to develop a Certified Family...

["Emergency and Critical Care","Psychiatry and Psychology","Ethical Issues","Palliative Care"]
doi:10.7287/peerj.preprints.1617v1
176 downloads
680 views

Background: Transcranial direct current stimulation (tDCS) is a non-invasive neuromodulatory technique that has shown encouraging results regarding performance improvement of normal subjects in tests of executive functions. Moreover, when applied repeatedly in...

["Clinical Trials","Neurology","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1610v1
107 downloads
218 views

Background: Research addressing distinctions and similarities between people’s malevolent character traits (i.e., the Dark Triad: Machiavellianism, narcissism, and psychopathy) has detected mixed and inconsistent linear associations to temperament traits. On this...

["Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1611v1
174 downloads
530 views

Background: The dark side of human character has been conceptualized in the Dark Triad Model: Machiavellianism, psychopathy, and narcissism. These three dark traits are often measured using single long instruments for each one of the traits. Nevertheless, there...

["Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1605v1
109 downloads
263 views

Studying the effects of experimentally induced anxiety in healthy volunteers may increase our understanding of the mechanisms underpinning anxiety disorders. Prior work has shown that experimentally induced anxiety (via threat of unpredictable shock) improves accuracy...

["Neuroscience","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1542v1
780 downloads
1,293 views

In their article reporting the results of two experiments, Thorstenson, Pazda, & Elliot (2015a) found evidence that perception of colors on the blue-yellow axis was impaired if the participants had watched a sad movie clip, relative to participants who watched...

["Neuroscience","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1536v1
223 downloads
243 views

Introduction: Despite growing concerns over pathological use of the Internet, studies based on validated psychometric instruments are still lacking in Pakistan. The present study aimed to examine the psychometric properties of Young’s Internet Addiction Test (IAT)...

["Psychiatry and Psychology","Human-Computer Interaction"]
doi:10.7287/peerj.preprints.1531v1
91 downloads
141 views

Background: Type-D personality was suggested as a marker of poorer prognosis for patients of cardiovascular disease. It is defined by having a score of 10 or more on both sub-scales of the DS14 questionnaire, Social Inhibition (SI) and Negative Affect (NA). As...

["Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1499v1
71 downloads
197 views

Background. Self-regulation tools are not always used optimally, and implementation intention plans often lack quality. Therefore, this study explored participants’ use and feasibility evaluation of self-regulation techniques and their impact on goal attainment.Methods....

["Global Health","Nutrition","Psychiatry and Psychology","Public Health","Science and Medical Education"]
doi:10.7287/peerj.preprints.1493v1
211 downloads
428 views

When you keep a red apple in working memory, your attention is usually—but not always—attracted by other red objects. The conditions under which the contents of visual working memory guide visual attention are still unclear. Here we tested whether attention is...

["Neuroscience","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1478v1
110 downloads
153 views

This study investigated whether simulated darkness influences the affective appraisal of a desktop virtual environment (VE). In the real world darkness often evokes thoughts of vulnerability, threat, and danger, and may automatically precipitate emotional responses...

["Psychiatry and Psychology","Human-Computer Interaction"]
doi:10.7287/peerj.preprints.1456v1
317 downloads
372 views

Emotion identification, which aims to determine a person's affective state automatically, has immense potential value in many areas, such as action tendency, health care, psychological detection and human-computer (robot) interaction. In this paper, we provide...

["Kinesiology","Psychiatry and Psychology"]
doi:10.7287/peerj.preprints.1384v3
138 downloads
242 views

Background: Ketamine has been reported to have efficacy as an antidepressant in several studies of treatment-resistant depression. In this study, we investigate whether an acute administration of ketamine leads to reductions in the functional connectivity of subgenual...

["Neuroscience","Psychiatry and Psychology","Radiology and Medical Imaging","Computational Science"]
doi:10.7287/peerj.preprints.1436v1
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