Cited by 15Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychosomatic Disorders and Their TreatmentsNeuroscience of respiration and sleep

Take my breath away: Neural activation at breath-hold differentiates individuals with panic disorder from healthy controls

McIntosh, R.C., Hoshi, R.A., Timpano, K.R.·2020·Respiratory Physiology & Neurobiology

Abstract

There is neuroanatomical evidence of an "extended fear network" of brain structures involved in the etiology of panic disorder (PD). Although ventilatory distrubance is a primary symptom of PD these sensations may also trigger onset of a panic attack (PA). Here, a voluntary breath-holding paradigm was used to mimic the hypercapnia state in order to compare blood oxygen level-dependent (BOLD) response, at the peak of a series of 18 s breath-holds, of 21 individuals with PD to 21 low anxiety matched controls. Compared to the rest condition, BOLD activity at the peak (12 - 18 s) of the breath-hold was greater for PD versus controls within a number of structures implicated in the extended fear network, including hippocampus, thalamus, and brainstem. Activation was also observed in cortical structures that are shown to be involved in interoceptive and self-referential processing, such as right insula, middle frontal gyrus, and precuneus/posterior cingulate. In lieu of amygdala activation, our findings show elevated activity throughout an extended network of cortical and subcortical structures involved in contextual, interoceptive and self-referential processing when individuals with PD engage in voluntary breath-holding.

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Crossref · 10.1016/j.resp.2020.103427

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Authors
McIntosh, R. C., Hoshi, R. A., & Timpano, K. R.
Affiliations
  • University of Miami (US)
  • Universidade de São Paulo (BR)
Corresponding author
McIntosh, R.C.
Venue
Respiratory Physiology & Neurobiology
Publisher
Elsevier BV
Published
2020-06
Volume
277
Pages
103427
ISSN
1569-9048 (ISSN-L)
OpenAlex
W3008822865
Cited by
14
References
120
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 1 · 2022: 3 · 2021: 4
FWCI
1.93
Type
journal article
Language
en
Open access
closed
Locations
  • Respiratory Physiology & Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Heart, Lung, and Blood Institute
  • National Institutes of Health (K01HL139722)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroscience of respiration and sleep
Keywords
panic disorder, breath-holding, hypercapnia, BOLD signal, interoception, self-referential processing, hippocampus, thalamus, brainstem, insula, amygdala, panic attacks
MeSH terms
Adolescent, Adult, Fear, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Oxygen Consumption, Surveys and Questionnaires, Panic Disorder, Young Adult, Breath Holding, Healthy Volunteers

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