{"id":8291,"date":"2019-10-02T15:12:49","date_gmt":"2019-10-02T20:12:49","guid":{"rendered":"https:\/\/last-drum.flywheelsites.com\/?p=8291"},"modified":"2024-04-28T18:01:54","modified_gmt":"2024-04-28T23:01:54","slug":"interoception-impaired-asd","status":"publish","type":"post","link":"https:\/\/autism.org\/interoception-impaired-asd\/","title":{"rendered":"Interoception Is Impaired in Children, but not Adults, with Autism"},"content":{"rendered":"

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10-2-2019 — A new study suggests that children, but not adults, with autism spectrum disorders (ASD) have impairments in interoception. Interoception is the ability to sense the internal state of the body\u2014for instance, to accurately identify sensations such as hunger, thirst, pain, and internal temperature.<\/p>\n

Research shows that accuracy in identifying interoceptive signals is associated with skill in emotion processing, decision-making, self-regulation, empathy, and theory of mind (the ability to understand that other people have thoughts and feelings). Toby Nicholson and colleagues, the authors of the new study, say, \u201cThese wide-ranging associations are in line with theories of embodied cognition that imply cognition is situated in bodily systems, and also point towards a role for interoception in both self and other processing. This has led to a growing interest in the importance of interoception for disorders such as ASD.\u201d<\/p>\n

The researchers say, \u201cThe idea is that a difficulty interpreting one\u2019s own internal bodily signals early on may interfere with learning about the association between these low-level bodily signals and other higher level feelings and thoughts, restricting the comprehension of oneself, which in turn would have similar effects on understanding other selves.\u201d<\/p>\n

To test the interoceptive accuracy of individuals with ASD, the researchers performed two experiments. In the first, involving 21 adults with ASD and 21 neurotypical controls, participants completed two tasks. First, they closed their eyes and silently counted the number of heartbeats they felt during specific time intervals.<\/p>\n<\/div>

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Next, they exhaled into a peak flow meter, attempting to reproduce the intensity of each of three exhalations (weak, medium, and firm). The researchers then repeated the heartbeat experiment with a group of 21 children with ASD and 21 neurotypical children.<\/p>\n

The researchers found that children with ASD, but not adults, had significant impairments in interoceptive accuracy. This may suggest, they say, that \u201ca \u2018decoupling\u2019 of interoception and emotion processing among some children with ASD results in emotions never being fully anchored within the body, making emotions difficult to understand in self and others across the lifespan even once interoception difficulties have resolved.\u201d<\/p>\n

Another possibility, they say, is that \u201clocal interoceptive signals are not integrated together in a global sense,\u201d affecting not just emotional processing but also the ability of interoceptive processes to bind with other information sources such as memory and perception. Still a third possibility, they suggest, is that interoception and theory of mind are independently impaired, which could explain why emotion-processing impairments persist in ASD even after interoceptive impairments have resolved.<\/p>\n<\/div>

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\u201cInteroception is impaired in children, but not adults, with autism spectrum disorder,\u201d Toby Nicholson, David Williams, Katie Carpenter, and Aimilia Kallitsounaki, Journal of Autism and Developmental Disorders, May 24, 2019 (online). Email: David Williams<\/a>.<\/p>\n<\/div>

This article also appears in Autism Research Review International<\/a>, Vol. 33, No. 3, 2019<\/strong><\/p>\n<\/div>

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