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A neurophenomenological fMRI study of a spontaneous automatic writer and a hypnotic cohort
Etzel Cardeña1, Lena Lindström1, Philippe Goldin2
1CERCAP, Department of Psychology, Lund University, Sweden.
Purpose:
To evaluate the neurophenomenology of automatic writing (AW) in a spontaneous automatic writer (NN) and four high hypnotizables (HH).
Methods:
During fMRI, NN and the HH were cued to perform spontaneous (NN) or induced (HH) AW, and a comparison task of copying complex symbols, and to rate their experience of control and agency.
Results:
Compared to copying, for all participants AW was associated with less sense of control and agency and decreased BOLD signal responses in brain regions implicated in the sense of agency (left premotor cortex and insula, right premotor cortex, and supplemental motor area), and increased BOLD signal responses in the left and right temporoparietal junctions and the occipital lobes. During AW, the HH differed from NN in widespread BOLD decreases across the brain and increases in frontal and parietal regions.
Conclusions:
Spontaneous and induced AW had similar effects on agency, but only partly overlapping effects on cortical activity.
