An Exploratory Study on the Effect of Virtual Environments on Cognitive Performances and Psychophysiological Responses

Exploring Effects of a Nostalgic Storytelling Virtual Reality Experience Beyond Hedonism

In this study, we tested the effect of a nostalgic storytelling virtual reality (VR) experience (vs. a text-reading neutral VR experience as the comparison condition) on state-level eudaimonic well-being and explored the underlying mediating mechanisms. In a within-subject experimental design, all 31 participants experienced both versions of the VR in pseudorandomized and counterbalanced order. Compared with the text-reading VR experience, the nostalgic storytelling VR resulted in significantly higher hedonic and eudaimonic entertainment media gratifications (aka. media enjoyment and media appreciation, respectively), social connectedness, and state-level well-being. Moreover, the relationship between VR and well-being was serially mediated by the level of state nostalgia and eudaimonic media gratifications. That is, the nostalgic storytelling VR was found to evoke state nostalgia, which led to a greater appreciation of the VR experience; this appreciation, in turn, contributed to increased state-level well-being. Implications of the study findings for future research and practice are discussed.

Validation of "Neurit.Space": Three Digital Tests for the Neuropsychological Evaluation of Unilateral Spatial Neglect

Patients suffering from Unilateral Spatial Neglect (USN) fail to pay attention to, respond to, and report sensory events occurring in the contralesional side of space. The traditional neuropsychological assessment of USN is based on paper-and-pencil tests, whose data recording and scoring may be subjected to human error. The utilization of technological devices can be expected to improve the assessment of USN. Therefore, we built Neurit.Space, a modified digital version of three paper-and-pencil tests, widely used to detect signs of USN, namely: Bells Cancellation, Line Bisection and Five Elements Drawing Test. Administration and data processing is fully automatic. Twelve right brain-damaged patients (six with and six without USN) and 12 age- and education-balanced healthy participants were enrolled in the study. All participants were administered both the computerized and the paper-and-pencil versions of the tests. The results of this preliminary study showed good sensitivity, specificity, and usability of Neurit.Space, suggesting that these digital tests are a promising tool for the evaluation of USN, both in clinical and in research settings.

The Effect of Previous Exposure on Virtual Reality Induced Public Speaking Anxiety: A Physiological and Behavioral Study

Public speaking anxiety (PSA) is defined as a strong distress when performing a speech in front of an audience, causing impairment in terms of work possibilities and social relationships. Audience behavior and feedback received during a speech are a crucial variable to induce PSA, affecting performance and perception. In this study, two different virtual reality public speaking scenarios were developed to investigate the impact of positive (more assertive) versus negative (more hostile) audience behavior regarding perceived anxiety and physiological arousal during performance. Moreover, the presence of any carry-over effect based on first experiences (positive vs. negative) was investigated by using a within-between design. Both explicit (questionnaires) and implicit physiological measures (heart rate [HR]) were used to assess participants' experience. The results confirmed the influence of audience behavior on perceived anxiety. As expected, negative audience elicited greater anxiety and lower experience pleasantness. More interesting, the first experience influenced the perceived anxiety and arousal during performance, suggesting some sort of priming effect due to the valence of previous experience. In particular, starting with an encouraging feedback scenario did not increase the perceived anxiety and HR in front of a subsequent annoying audience. This modulation did not appear in the group who started with the annoying audience, which clearly reported higher HR and anxiety during the annoying exposure compared with the encouraging audience. These results are discussed considering previous evidence on the effect of feedback on performance. In addition, physiological results are interpreted considering the role of somatic marker theory in human performance.