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Interpersonal space is regulated carefully and updated dynamically during social interactions to maintain comfort. We investigated the naturalistic processing of interpersonal distance in real time and space using a powerful implicit neurophysiological measure of attentional engagement. In a sample of 37 young adults recruited at a UK university, we found greater EEG alpha band suppression when a person occupies or moves into near personal space than for a person occupying or moving into public space.
View Article and Find Full Text PDFHow accurately can we estimate spontaneous body kinematics from video recordings? Effect of movement amplitude on OpenPose accuracy.
Behav Res Methods
January 2025
Neuroscience of Perception and Action Lab, Italian Institute of Technology (IIT), Viale Regina Elena 291, 00161, Rome, Italy.
Article Synopsis
- Body kinematics is crucial for various fields but current methods using infrared wearables are costly and impractical for natural movements.
- To address this, algorithms like OpenPose have been created to estimate body movements from regular video, although they are less accurate compared to traditional methods like Vicon.
- A study found that OpenPose's accuracy varies by participant and movement size, performing well for larger movements but struggling with smaller ones, providing insights into the limitations of video-based motion capture technology.
Stimulus-invariant aspects of the retinal code drive discriminability of natural scenes.
Proc Natl Acad Sci U S A
December 2024
Committee on Computational Neuroscience, Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637.
Everything that the brain sees must first be encoded by the retina, which maintains a reliable representation of the visual world in many different, complex natural scenes while also adapting to stimulus changes. This study quantifies whether and how the brain selectively encodes stimulus features about scene identity in complex naturalistic environments. While a wealth of previous work has dug into the static and dynamic features of the population code in retinal ganglion cells (RGCs), less is known about how populations form both flexible and reliable encoding in natural moving scenes.
View Article and Find Full Text PDFSocial attention in the wild - fixations to the eyes and autistic traits during a naturalistic interaction in a healthy sample.
Sci Rep
December 2024
Department of Clinical and Health Psychology, Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010, Vienna, Austria.
Article Synopsis
- Attention to social stimuli is crucial for developing social skills, but most studies have used static images or videos that don’t fully reflect real-life interactions.
- This research utilized mobile eye-tracking during face-to-face interviews to analyze gaze behavior in 62 participants and found that those with higher autistic traits tended to gaze less frequently at the eye area.
- The study also examined the impact of different types of interview questions on gaze patterns and discussed potential future directions and limitations of their experimental setup.
Sick and detached: Does experimental inflammation impact on movement synchrony in humans?
Brain Behav Immun
February 2025
LWL University Hospital Bochum, Department of Psychiatry, Psychotherapy and Preventive Medicine, Division of Social Neuropsychiatry and Evolutionary Medicine, Ruhr University Bochum, Bochum, Germany. Electronic address:
Interpersonal connectedness is a central feature of human interaction that can be compromised during illness. Nonverbal signals play a crucial role in this context, and humans, like other animals, have evolved a behavioral immune system that enables individuals to detect subtle cues of sickness in others. Conversely, sick individuals often tend to avoid social interaction, a key component of sickness behavior.
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