Showing posts with label Neuroception. Show all posts
Showing posts with label Neuroception. Show all posts

Neuroception - Safety Perception

Autism Lexicon - Neuroception

Neuroception is the brain's automatic process of evaluating environmental safety and threat levels, often dysregulated in autism, leading to heightened sensitivity to sensory input and potentially contributing to negative attribution bias and hostile attribution bias. [ Read in more detail on Neuroception here].

PlainSpeak: Neuroception is how our brain unconsciously decides if we're safe or in danger. In autism, this process can be heightened, causing some people to see everyday situations as more threatening, which can affect how they respond to others. [ Read in more detail on Neurocepton here]. 


Neuroception and Autism: Unpacking the Neurological Underpinnings of Safety Perception

Neuroception, a concept introduced by Dr. Stephen Porges, refers to the unconscious neural process by which the nervous system evaluates environmental stimuli to determine whether situations or people are safe, dangerous, or life-threatening. This assessment involves complex neural circuits that process sensory input and influence autonomic responses, particularly within the autonomic nervous system (ANS). Neuroception is pivotal in shaping an individual's physiological state and behavioral responses, particularly in the context of social engagement and self-regulation.

Research indicates that neuroception is closely linked to the vagal nerve's activity, a critical component of the parasympathetic nervous system. The polyvagal theory, also developed by Porges, suggests that the vagal nerve's two branches—the myelinated ventral vagal complex (VVC) and the unmyelinated dorsal vagal complex (DVC)—play distinct roles in regulating physiological states and behavioral responses (1). The VVC is associated with social engagement behaviors and a sense of safety, while the DVC is linked to immobilization responses often seen in life-threatening situations.

In autism, atypical neuroception may contribute to differences in sensory processing and social interactions. Autistic individuals often experience heightened sensitivity to sensory stimuli, which can result in their perceiving benign environments as overwhelming or threatening. This heightened state of perceived threat can trigger autonomic responses that manifest as anxiety, withdrawal, or challenging behaviors, complicating social engagement and adaptive functioning (2).

Neuroception is not merely a sensory processing issue but can be tied to a broader social construct known as hostile attribution bias. Hostile attribution bias is the tendency to interpret ambiguous situations or behaviors as having hostile intent. In autistic individuals, this bias might manifest due to heightened sensitivity to sensory stimuli, where the nervous system erroneously signals danger in non-threatening situations (1; 3).

Studies have shown that autistic individuals are more likely to perceive ambiguous social situations as hostile [4] compared to neurotypical peers, a tendency linked to higher levels of social anxiety and maladaptive behaviors such as aggression and self-injury (SIB). This bias may not only stem from inherent difficulties in social cue interpretation but could also be a result of chronic exposure to societal stigma and exclusion. Research suggests that prolonged negative social experiences, such as discrimination and misunderstanding, can significantly shape cognitive and emotional responses, leading to a heightened sensitivity to potential threats or hostile intentions (3).

Moreover, research has highlighted that the interoceptive accuracy, or the ability to accurately perceive internal bodily signals, may be altered in autism. This alteration can affect the individual's capacity to assess internal states, further influencing neuroception (3). As a result, interventions aimed at enhancing interoceptive awareness and modulating sensory input may offer therapeutic benefits by improving the neuroceptive processes in autistic individuals.

In conclusion, neuroception offers a framework for understanding the underlying neural mechanisms that influence how individuals with autism perceive and respond to their environment. By integrating findings from neurophysiology, sensory processing research, and therapeutic interventions, we can better support the development of strategies that promote adaptive functioning and well-being in the autistic community.


References:
Porges, S. W. (2007). The polyvagal perspective. Biological Psychology, 74(2), 116-143.
Klintwall, L., Holm, A., Eriksson, M., Carlsson, L. H., Olsson, M. B., Hedvall, Å., & Fernell, E. (2011). Sensory abnormalities in autism. Research in Developmental Disabilities, 32(2), 795-800.
Schauder, K. B., Mash, L. E., Bryant, L. K., & Cascio, C. J. (2015). Interoceptive ability and body awareness in autism spectrum disorder. Journal of Experimental Child Psychology, 131, 193-200.
White, S. W., Ollendick, T., & Bray, B. C. (2011). College students on the autism spectrum: Prevalence and associated problems. Autism: The International Journal of Research and Practice, 15(6), 683-701.


Understanding Neuroception and Its Importance in Autism

PlainSpeak. In Plain Language for the Lay Reader

Have you ever walked into a room and immediately felt comfortable or, conversely, felt uneasy for no apparent reason? This instinctive response is part of what's called "neuroception." Neuroception is a term coined by Dr. Stephen Porges that describes how our brain and nervous system unconsciously scan our environment to assess whether we are safe, in danger, or facing a life-threatening situation. This process is crucial because it helps us decide how to react, even before we're fully aware of what's happening.

For people with autism, neuroception can work a bit differently. Many autistic individuals have heightened sensitivity to sensory experiences, such as bright lights, loud sounds, or crowded spaces. Because of this heightened sensitivity, their nervous system might misinterpret these benign environments as dangerous or threatening, leading to feelings of anxiety or discomfort. This is why you might notice some autistic people avoiding certain places or situations—they are simply responding to what their body perceives as a threat. This reaction is sometimes linked to a phenomenon called "hostile attribution bias," where individuals are more likely to interpret ambiguous situations as having hostile intent. 

Imagine someone accidentally bumps into you. While many might see it as an accident, someone with hostile attribution bias might think it was done on purpose. In autism, this bias can be heightened due to the unique challenges autistic people face, such as difficulties in interpreting social cues or a history of negative social experiences like bullying or exclusion. These experiences can make it harder for them to trust others and more likely to perceive interactions as threatening.

Understanding both neuroception and its link to hostile attribution bias is essential because it helps explain why some autistic individuals might find everyday situations challenging. It also highlights the importance of creating environments that feel safe and comfortable for everyone, especially those with sensory sensitivities. By being aware of these needs, we can help reduce stress and improve the well-being of autistic individuals.