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The research in my group focuses on interoception. Interoception refers to the process by which the nervous system senses, interprets, and integrates signals originating from within the body, providing a moment-by-moment mapping of the body’s internal landscape across conscious and unconscious levels1. It can be distinguished from the domains of exteroception (processing of the environment) and proprioception (the position of the body in space) as a distinct sensory domain. The research in my group is interested in understanding how our interoceptive, or bodily signals, modulate our perception, cognition and actions. Recently, my research has focussed on two areas, the role of interoception in social interactions and in active sampling. In my previous research I have shown that when executing actions we time them to occur at specific phases of our cardiac cycle. This study was one of the first to demonstrate a relationship between the cardiac cycle and the timing of freely generated actions (as opposed to reaction time tasks). Furthermore, in the same study we demonstrated that when people observed someone else moving they modulated their cardiac cycle such that the observed actions occurred more frequently during their systole phase. In other words, the cardiac cycle relationship occurred both for executed and observed actions. In this study we concluded that such a relationship was consistent with the proposed role of interoception in social interactions and was evidence of an embodied account of social cognition that involved interoception. This result led to subsequent studies on the role of interoception to facilitate social interactions. In my recent work we have shown that people are able to identify peoples' heart rates when looking at their faces. We have argued that this finding has major implications for the role of interoception in social interactions. Previously, interoceptive signals, in particular the cardiac signals, have been considered hidden from others as they are, by definition, internal. However, the results of these studies demonstrate that in social interactions we may have access to these ‘hidden’ states and that this information can facilitate our understanding of another person affective state.
The second area of my recent research in interoception has focussed on cardiac-related sensory attenuation and active sampling. During the cardiac cycle it has been demonstrated that exteroceptive perceptual sensitivity is modulated during the cardiac cycle, being worse during the systole phase that during diastole. Classically cardiac-related sensory attenuation has been studied by presenting stimuli at different phases of the cardiac cycle. However, in our everyday lives this is not how we experience sensory inputs, instead we actively sample the world, moving our sensors to experience the world. Research in the group is interested in (i) why does cardiac-related sensory attenuation occur (ii) is there a role for predictive coding in interoception (iii) is cardiac related sensory attenuation linked to different mental health disorders, specifically anxiety and (iv) do we sample the world in a way that takes in to account this sensory attenuation.
The research in my group focuses on interoception. Interoception refers to the process by which the nervous system senses, interprets, and integrates signals originating from within the body, providing a moment-by-moment mapping of the body’s internal landscape across conscious and unconscious levels1. It can be distinguished from the domains of exteroception (processing of the environment) and proprioception (the position of the body in space) as a distinct sensory domain. The research in my group is interested in understanding how our interoceptive, or bodily signals, modulate our perception, cognition and actions. Recently, my research has focussed on two areas, the role of interoception in social interactions and in active sampling. In my previous research I have shown that when executing actions we time them to occur at specific phases of our cardiac cycle. This study was one of the first to demonstrate a relationship between the cardiac cycle and the timing of freely generated actions (as opposed to reaction time tasks). Furthermore, in the same study we demonstrated that when people observed someone else moving they modulated their cardiac cycle such that the observed actions occurred more frequently during their systole phase. In other words, the cardiac cycle relationship occurred both for executed and observed actions. In this study we concluded that such a relationship was consistent with the proposed role of interoception in social interactions and was evidence of an embodied account of social cognition that involved interoception. This result led to subsequent studies on the role of interoception to facilitate social interactions. In my recent work we have shown that people are able to identify peoples' heart rates when looking at their faces. We have argued that this finding has major implications for the role of interoception in social interactions. Previously, interoceptive signals, in particular the cardiac signals, have been considered hidden from others as they are, by definition, internal. However, the results of these studies demonstrate that in social interactions we may have access to these ‘hidden’ states and that this information can facilitate our understanding of another person affective state.
The second area of my recent research in interoception has focussed on cardiac-related sensory attenuation and active sampling. During the cardiac cycle it has been demonstrated that exteroceptive perceptual sensitivity is modulated during the cardiac cycle, being worse during the systole phase that during diastole. Classically cardiac-related sensory attenuation has been studied by presenting stimuli at different phases of the cardiac cycle. However, in our everyday lives this is not how we experience sensory inputs, instead we actively sample the world, moving our sensors to experience the world. Research in the group is interested in (i) why does cardiac-related sensory attenuation occur (ii) is there a role for predictive coding in interoception (iii) is cardiac related sensory attenuation linked to different mental health disorders, specifically anxiety and (iv) do we sample the world in a way that takes in to account this sensory attenuation.
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Physics of life reviews (2023): 128-130
Physics of Life Reviews (2023): 128-130
The Routledge International Handbook of Neuroaestheticspp.89-102, (2022)
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