Interoception Enhanced via the Ears?

Hall, J; Lopes, Betina; Yu, Hui

doi:10.1027/0269-8803/a000219

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…Nevertheless, the current evidence suggests that the ear-protector manipulation transformed the HTT into a task that is inherently exteroceptive: HTT scores were significantly higher when ear-defenders were worn, and participants reported that the heartbeat pulse was more audible while wearing the eardefenders. Therefore, whilst scores on the HTT tend to improve as a result of the earprotectors, it should not be asserted that the manipulation increases IAcc (as suggested by Hall et al, 2019), given that IAcc purportedly measures sensitivity to internal bodily signals.…”

Section: Discussionmentioning

confidence: 99%

“…Another potential manipulation of cardiac perception accuracy may involve reducing external auditory input. Indeed, in a recent quasi-experimental study, Hall, Lopes and Yu (2019) demonstrated that the use of noise-dampening ear-protectors resulted in significantly higher scores on the HTT (Schandry, 1981). However, due to the utilisation of a between-subjects study design and given the large variability in heartbeat detection scores (Murphy, Brewer, Hobson, Catmur, & Bird, 2018), it is not possible to ascertain from the work of Hall and colleagues (2019) whether IAcc can be manipulated within individuals by use of ear protectors.…”

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Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

2020

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Previous research utilising a between-subjects design has indicated that the use of noisedampening ear-protectors might enhance interoceptive accuracy (IAcc). In the present study, we further examined this effect using a repeated-measures, within-participants design, and investigated potential mechanisms that might explain the effect. 50 participants completed the heartbeat tracking task (HTT) with and without the use of industrial ear-protectors, in a counter-balanced order. Participants were asked to count the number of heartbeats occurring in five discrete time intervals of 25, 35, 45, 55 and 95 seconds, without feeling for a manual pulse. HTT scores were significantly higher when ear-protectors were worn, and the improvement in performance was greatest for participants with lower baseline IAcc. The earprotectors were associated with significantly increased self-reported heartbeat audibility, task-related confidence and concentration, and decreased levels of distractibility. Heartbeat audibility was also correlated with HTT performance when the ear-protectors were worn.Because the use of industrial ear defenders resulted in increased heartbeat audibility, this manipulation should not be used to assess causal hypotheses related to changes in IAcc.However, it may serve as a simple, non-invasive manipulation to assess the effects of 'externalised' interoceptive signals. Highlights• Ear-protectors elicit an improvement in performance on the heartbeat tracking task • This improvement is greatest for participants with lower baseline accuracy • The improvement is associated with the auditory perception of the heartbeat • Prior use of ear-protectors did not result in later enhanced performance on the control condition without ear-protectors.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

2020

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“…Therefore, whilst scores on the HTT tend to improve as a result of the ear-protectors, it cannot be asserted that the manipulation increases IAcc (as suggested by Hall et al, 2019),…”

Section: Discussionmentioning

confidence: 99%

“…Another potential manipulation of cardiac perception accuracy may involve reducing external auditory input. Indeed, in a recent quasi-experimental study, Hall, Lopes and Yu (2019) demonstrated that the use of noise-dampening ear-protectors resulted in significantly higher scores on the HTT (Schandry, 1981). However, due to the utilisation of a between-subjects study design and given the large variability in heartbeat detection scores (Murphy, Brewer, Hobson, Catmur, & Bird, 2018), it is not possible to ascertain from the Hall et al study whether IAcc can be manipulated within individuals by use of ear protectors.…”

mentioning

confidence: 99%

Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

Todd

Hina

Aspell

2019

Preprint

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Word Count: 198Abstract Previous research utilising a between-subjects design indicates that the use of noisedampening ear-protectors might enhance interoceptive accuracy (IAcc). In the present study, we further examined this effect using a repeated-measures, within-participants design, and investigated potential mechanisms that might explain the effect. 50 participants completed the heartbeat tracking task (HTT) with and without the use of ear-protectors, in a counterbalanced order. Participants were asked to count the number of heartbeats occurring in five discrete time intervals of 25, 35, 45, 55 and 95 seconds, without feeling for a manual pulse.HTT scores were significantly higher when ear-protectors were worn, and the improvement in performance was greatest for participants with lower baseline IAcc. Participants also performed more consistently across the five trials when wearing the ear-protectors. The earprotectors were associated with significantly increased self-reported heartbeat audibility, concentration, and task-related confidence, and decreased levels of distractibility. Heartbeat audibility was also correlated with HTT performance when the ear-protectors were worn. The exteroceptive nature of the feedback from the ear-protectors therefore precludes the utility of this manipulation to assess causal hypotheses related to changes in IAcc. However, it may serve as a simple, non-invasive paradigm to assess the effects of externalised interoceptive signals. Highlights• Ear-protectors elicit an improvement in performance on the heartbeat tracking task • This improvement is greatest for participants with lower baseline accuracy • The improvement is associated with the auditory perception of the heartbeat • Prior use of ear-protectors did not result in later enhanced performance on the control condition without ear-protectors.

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Sensory integration in interoception: Interplay between top-down and bottom-up processing

Dobrushina

Арина

Dobrynina

et al. 2021

Cortex

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Interoception Enhanced via the Ears?

Cited by 4 publications

References 33 publications

Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

Reduction of auditory input improves performance on the heartbeat tracking task, but does not necessarily enhance interoception

Sensory integration in interoception: Interplay between top-down and bottom-up processing

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