Cited by 5,592Neural and Behavioral Psychology StudiesFunctional Brain Connectivity StudiesNeural dynamics and brain function

Saliency, switching, attention and control: a network model of insula function

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Menon, Vinod, Uddin, Lucina Q.·2010·Brain Structure and Function

Abstract

The insula is a brain structure implicated in disparate cognitive, affective, and regulatory functions, including interoceptive awareness, emotional responses, and empathic processes. While classically considered a limbic region, recent evidence from network analysis suggests a critical role for the insula, particularly the anterior division, in high-level cognitive control and attentional processes. The crucial insight and view we present here is of the anterior insula as an integral hub in mediating dynamic interactions between other large-scale brain networks involved in externally oriented attention and internally oriented or self-related cognition. The model we present postulates that the insula is sensitive to salient events, and that its core function is to mark such events for additional processing and initiate appropriate control signals. The anterior insula and the anterior cingulate cortex form a “salience network” that functions to segregate the most relevant among internal and extrapersonal stimuli in order to guide behavior. Within the framework of our network model, the disparate functions ascribed to the insula can be conceptualized by a few basic mechanisms: (1) bottom–up detection of salient events, (2) switching between other large-scale networks to facilitate access to attention and working memory resources when a salient event is detected, (3) interaction of the anterior and posterior insula to modulate autonomic reactivity to salient stimuli, and (4) strong functional coupling with the anterior cingulate cortex that facilitates rapid access to the motor system. In this manner, with the insula as its integral hub, the salience network assists target brain regions in the generation of appropriate behavioral responses to salient stimuli. We suggest that this framework provides a parsimonious account of insula function in neurotypical adults, and may provide novel insights into the neural basis of disorders of affective and social cognition.

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Crossref · 10.1007/s00429-010-0262-0

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  • The anterior insula plays a pivotal role in appraising an interoceptive inference based on incoming raw interoceptive and exteroceptive input.

    “As part of the viscerosensory cortex, the anterior insula plays a pivotal role in appraising an interoceptive inference based on incoming raw interoceptive and exteroceptive input (Seeley et al., 2007; Menon and Uddin, 2010; Zaki et al., 2012; Wager et al., 2015).”

    From How Processing of Sensory Information From the Internal and External Worlds Shape the Perception and Engagement With the World in the Aftermath of Trauma: Implications for PTSD (2021) · cites this paper as Menon and Uddin, 2010

    The Abstract describes the anterior insula as a hub that identifies salient internal and external stimuli. The sections on multiple insula functions and anterior–posterior interaction discuss bodily awareness and the integration of physiological and external sensory signals, but do not describe the anterior insula as appraising an interoceptive inference from raw inputs; they also distinguish posterior sensory processing from anterior awareness. Page numbers are unavailable in our copy. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • The insula helps direct information to lateralized frontoparietal networks in the brain that involve the dorsolateral prefrontal cortex and the posterior parietal cortex in order to facilitate multisensory integration.

    “Here, the insula helps direct information to lateralized frontoparietal networks in the brain that involve the dorsolateral prefrontal cortex and the posterior parietal cortex in order to facilitate multisensory integration (Menon and Uddin, 2010; Figure 4).”

    From How Processing of Sensory Information From the Internal and External Worlds Shape the Perception and Engagement With the World in the Aftermath of Trauma: Implications for PTSD (2021) · cites this paper as Menon and Uddin, 2010

    “A network perspective” identifies the dorsolateral prefrontal and posterior parietal cortices as nodes of the central executive network. “The salience network and dynamic switching” and the Conclusions describe the anterior insula as helping activate or switch to that frontoparietal network across stimulus modalities. They do not describe directing information to lateralized frontoparietal networks for the purpose of multisensory integration; the stated roles are salience detection and cognitive control. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Developing an awareness of an emotional feeling underlying a sensory experience may aid in its translation to the central executive network, which plays a role in identifying the contextual meaning of an emotional feeling.

    “Developing an awareness of an emotional feeling underlying a sensory experience may aid in its translation to the central executive network, which plays a role in identifying the contextual meaning of an emotional feeling (Seeley et al., 2007; Menon and Uddin, 2010; Wager et al., 2015).”

    From How Processing of Sensory Information From the Internal and External Worlds Shape the Perception and Engagement With the World in the Aftermath of Trauma: Implications for PTSD (2021) · cites this paper as Menon and Uddin, 2010

    The sections on multiple insula functions and dynamic switching link the anterior insula to awareness of feelings and describe its role in activating the central executive network in response to salient stimuli. The paper does not say that developing awareness of a feeling aids its translation to that network, or that the network identifies the contextual meaning of an emotional feeling. Page numbers were not available in our copy. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Both insula and dACC are components of the SN, but they subserve different functions, with insula more related to internal somatic function and monitoring task performance, while the dACC is

    “However, while both insula and dACC are components of the SN, they subserve different functions, with insula more related to internal somatic function and monitoring task performance (Eckert et al. 2009;Menon and Uddin 2010;Cai et al. 2014), while the dACC is”

    From Brain Activity and Functional Connectivity Associated with Hypnosis (2016) · cites this paper as Menon and Uddin 2010

    The ‘Functional connectivity of the human insula and the salience network’ section identifies the anterior insula and dorsal ACC as salience-network components. ‘Multiple functions of the insula’ links insular function to visceral and somatic processes, and ‘Saliency, attention, and cognitive control’ distinguishes the anterior insula’s transient salience detection from ACC functions. That section does not specifically assign monitoring of task performance to the insula; it discusses monitoring in connection with the ACC and other regions instead. Page numbers were not available in our copy. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • The insula is involved in processing body control and experience, emotion, empathy, and time through its extensive connections to cortical and subcortical limbic structures.

    “the insula is involved in the processing of body control and experience, emotion, empathy, and time through its extensive connections to cortical and subcortical limbic structures (Menon and Uddin 2010;Cai et al. 2014).”

    From Brain Activity and Functional Connectivity Associated with Hypnosis (2016) · cites this paper as Menon and Uddin 2010

    The sections “Multiple functions of the insula: toward a network model” and “Structural connectivity of the insula” describe roles in bodily-state awareness, autonomic control, emotion, and empathy, alongside connections with other brain regions (page numbers unavailable). Our copy does not establish a role in processing time, nor does it attribute all the listed functions specifically to extensive cortical and subcortical limbic connections. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

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Authors
Menon, V., & Uddin, L. Q.
Affiliations
Stanford Medicine (US)
Corresponding author
  • Menon, Vinod
  • Uddin, Lucina Q.
Venue
Brain Structure and Function
Published
2010-05-29
Volume
214
Issue
5-6
Pages
655-667
ISSN
  • 1863-2653 (ISSN-L)
  • 1863-2661
OpenAlex
W2129624700
Cited by
5,592
References
93
Citations by year
2026: 429 · 2025: 445 · 2024: 429 · 2023: 398 · 2022: 428 · 2021: 568 · 2020: 437 · 2019: 397 · 2018: 389 · 2017: 368 · 2016: 356 · 2015: 334 · 2014: 225 · 2013: 200 · 2012: 118
FWCI
8.97
Type
journal article
Language
en
Open access
Locations
  • Brain Structure and Function (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (K01MH092288)
  • National Institute of Neurological Disorders and Stroke (NS058899, R21NS058899)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD057610, HD047520, HD057610, R01HD047520, R01HD059205)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
anterior insula, salience network, cognitive control, attention, network switching, anterior cingulate cortex, saliency detection, bottom-up processing, interoception, autonomic reactivity, working memory, large-scale brain networks
MeSH terms
Animals, Cerebral Cortex, Humans, Nerve Net, Neural Networks, Computer, Executive Function

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