Results 21 to 30 of about 97,738 (248)
Furious snarling: Teeth-exposure and anxiety-related attentional bias towards angry faces. [PDF]
Dot-probe studies consistently show that high trait anxious individuals have an attentional bias towards threatening faces. However, little is known about the influence of perceptual confounds of specific emotional expressions on this effect.
Benedikt Emanuel Wirth, Dirk Wentura
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Introduction: Prolonged attentional bias to threat (AB) is associated with posttraumatic stress symptoms (PTSS). However, it is unclear whether this relationship extends to early threat detection (elicited by masked stimuli) and/or varies if AB is ...
Elyse R. Shenberger +4 more
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The Rise and Fall of the Dot-Probe Task: Opportunities for Metascientific Learning
Much of the extensive literature on spatial attentional bias is built on measurements using the dot-probe task. In recent years, concerns have been raised about the psychometric properties of bias scores derived from this task. The goal of the current paper is to look ahead and evaluate possible responses of the field to this situation from a ...
Benjamin T Sharpe +2 more
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Do Carryover Effects Influence Attentional Bias to Threat in the Dot-Probe Task?
Threatening stimuli are often thought to have sufficient potency to bias attention, relative to neutral stimuli. Researchers and clinicians opt for frequently used paradigms to measure such bias, such as the dot-probe task.
Joshua W. Maxwell +2 more
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Theoretical and Experimental Studies of Off-the-Shelf V-Dot Probes [PDF]
This paper introduces the work undertaken to reliably use off-the-shelf differentiating voltage probes attached to coaxial transmission lines. The results obtained prove that indeed such probes are a valid and simple instrument for measuring nanosecond and subnanosecond voltage impulses.
Bucur M. Novac +8 more
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Repulsive Aftereffects of Visual Space
Prolonged exposure to a sensory stimulus induces perceptual adaptation aftereffects. Traditionally, aftereffects are known to change the appearance of stimulus features, like contrast, color, or shape.
Eckart Zimmermann
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Quantum dot probes for cellular analysis
Highly fluorescent and robust semiconductor nanocrystals (known as quantum dots or QDs) play a pivotal role in biological applications.
Dahai Ren, Bin Wang, Chen Hu, Zheng You
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Peptide-Conjugated Quantum Dots Act as the Target Marker for Human Pancreatic Carcinoma Cells
Background/Aims: In the present study, we describe a novel and straightforward approach to produce a cyclic- arginine-glycine-aspartic (RGD)-peptide-conjugated quantum dot (QD) probe as an ideal target tumor biomarker.
Shuang-ling Li +6 more
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Aging Impairs Disengagement From Negative Words in a Dot Probe Task. [PDF]
Age differences in emotional processes have been of great interest. Previous studies using the dot probe task show that older adults can be more influenced by negative emotionally valenced faces than younger adults. Subsequent work has demonstrated two distinctive ways people engage with stimuli in this task, namely orienting to and disengaging from ...
Talbot CE, Ksander JC, Gutchess A.
europepmc +5 more sources
Monofunctional Quantum Dot Probes for Single-Molecule Imaging [PDF]
Recently, it has been shown that the optical properties of quantum dot (QDs) nanoparticles enable novel experiments at the single molecule level in live cells, thereby opening new prospects for the understanding of cellular processes. One difficulty with these experiments is that the complex biological environment imposes stringent design requirements ...
Clarke, Samuel +6 more
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