Joey charbonneau, Researcher

A new research has found that rhesus macaques are able to perceive their own heartbeats.The research was published in the journal, 'Proceedings of the National Academy of Sciences'.It creates a first-of-its-kind animal model of interoception. Interoception refers to the ability to sense the internal state of one's body, such as observing when your heart races or breathing quickens.The findings provide an important model for future psychiatric and neuropsychiatric research as dysfunctions in interoception are associated with anxiety, depression, and Alzheimer's disease.The study is part of a collaboration between Eliza Bliss-Moreau, associate professor of psychology at UC Davis and core scientist at the CNPRC and affective scientist Manos Tsakiris, from the Department of Psychology at Royal Holloway, led by Joey Charbonneau, a doctoral student in psychology at UC Davis and including Lara Maister, from Bangor University, Wales.The team monitored four rhesus monkeys that sat in front of an infrared eye tracker displaying stimuli that bounced and generated a sound either synchronously or asynchronously (faster and slower) with the monkeys' heartbeats. Such an experiment capitalizes on the fact that monkeys and human babies look for longer at things that they find surprising or unexpected.All four monkeys spent more time looking at the stimuli presented out of rhythm with their heartbeats compared to stimuli in rhythm with their heartbeats - suggesting that they sensed that the out of rhythm stimuli was surprising based on the expected rhythm of their heartbeats.The results are consistent with evidence previously shown in human infants using a similar method. This provides the first behavioural evidence that rhesus monkeys have a human-like capacity to perceive their heartbeats and have an interoceptive sense. "Why do we care? Interoception, or the self-monitoring of your physiological systems, is involved in all aspects of human life," Bliss-Moreau said.The ability to sense our internal state can indicate issues within the body that require our attention. Impaired interoceptive awareness is associated with less capacity to regulate emotions and increased susceptibility to mental health issues such as anxiety and depression."Interoception is hugely important for emotion regulation and mental health in adults, and yet we know very little about how it develops in early infancy or comes to be across evolutionary time," Tsakiris said. "The work we present here represents a first successful attempt to fill these gaps."Deficits in interoception have also been linked to neurodegenerative diseases like Alzheimer's disease."This model will be used in future translational studies of neurodegenerative diseases, including Alzheimer's," Bliss-Moreau said. "If we can measure interoception, we can track it as a behavioural biomarker of disease progression."The study provides insights into how the rhesus macaque model may be used to further our understanding of brain and body function."A next step is to study the mechanism by which interoception may be involved in different psychiatric and neuropsychiatric conditions," Tsakiris said.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Joey charbonneau, Latest News

Technology :Rhesus monkeys are able to perceive their own heartbeats: Study

A new research has found that rhesus macaques are able to perceive their own heartbeats. ...