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Illusory Coronary Obstruction After BASILICA: In IVUS We Trust!
JACC Cardiovasc Interv
May 2024
Cardiac Catheterisation Laboratory, Cardiothoracic and Vascular Department, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy; University of Pisa, Pisa, Italy.
Heart is deceitful above all things: Threat expectancy induces the illusory perception of increased heartrate.
Cognition
April 2024
Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Institute for Advanced Biomedical Technologies - ITAB, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.
It has been suggested that our perception of the internal milieu, or the body's internal state, is shaped by our beliefs and previous knowledge about the body's expected state, rather than being solely based on actual interoceptive experiences. This study investigated whether heartbeat perception could be illusorily distorted towards prior subjective beliefs, such that threat expectations suffice to induce a misperception of heartbeat frequency. Participants were instructed to focus on their cardiac activity and report their heartbeat, either tapping along to it (Experiment 1) or silently counting (Experiment 2) while ECG was recorded.
View Article and Find Full Text PDFBreathing affects self-other voice discrimination in a bodily state associated with somatic passivity.
Psychophysiology
July 2022
Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Faculty of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
A growing number of studies have focused on identifying cognitive processes that are modulated by interoceptive signals, particularly in relation to the respiratory or cardiac cycle. Considering the fundamental role of interoception in bodily self-consciousness, we here investigated whether interoceptive signals also impact self-voice perception. We applied an interactive, robotic paradigm associated with somatic passivity (a bodily state characterized by illusory misattribution of self-generated touches to someone else) to investigate whether somatic passivity impacts self-voice perception as a function of concurrent interoceptive signals.
View Article and Find Full Text PDFExpectation predicts performance in the mental heartbeat tracking task.
Biol Psychol
September 2021
Institute of Health Promotion and Sport Sciences, ELTE Eötvös Loránd University, Budapest, Hungary. Electronic address:
The mental heartbeat tracking task by Schandry is sensitive to non-interoceptive (top-down) influences, e.g., estimation of heart rate and expectation.
View Article and Find Full Text PDFAllometric scaling laws for temporal proximity in perceptual organization.
Psychol Rev
April 2022
Department of Psychology.
In both space and time, proximity plays an important role in the formation of perceived groups, objects, and scenes. Proximity is especially critical in the temporal domain where there are constraints-pauses or delays between neighboring events, that when of sufficient size, defeat the grouping processes that underlay temporal integration. A framework is developed where temporal proximity constraints are theorized to reflect lifetimes of exponential decay processes, and this identification leads to an inquiry into their scaling properties.
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