Why the study?
Does volitional control of breathing activate specific brain regions in healthy human subjects?
Does volitional control of breathing activate specific brain regions in healthy human subjects?
Volitional control of breathing activates widespread bilateral cortical areas including the frontal, temporal, and parietal lobes.
Volitional breathing engages bilateral cortical networks in healthy subjects; leaves open translation to disease states or interventions.
Functional magnetic resonance imaging (fMRI) was used to demonstrate the brain activation during volitional control of breathing in nine healthy human subjects. This type of breathing was induced by acoustic stimuli dictating the respiratory frequency. During the period of dictated breathing not only the frontal and temporal lobes of the brain, but also the parietal lobes were bilaterally activated. The frontal lobe was activated bilaterally in all subjects, with frequent activation of Brodmann areas 4 and 6. In the parietal lobe, activation could mostly be demonstrated in gyrus postcentralis and the same was true for area 22 in the temporal lobe.
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Šmejkal et al. (2000) studied this question.
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