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Related Experiment Video

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Modeling Human Cerebellar Development In Vitro in 2D Structure
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Cerebellar Structural Variations in Subjects with Different Hypnotizability.

E Picerni1,2, E L Santarcangelo3, D Laricchiuta4,5

  • 1I.R.C.C.S. Santa Lucia Foundation, Rome, Italy. eleonora.picerni@uniroma1.it.

Cerebellum (London, England)
|July 20, 2018
PubMed
Summary
This summary is machine-generated.

Hypnotizability is linked to smaller gray matter volumes in the cerebellum and other brain regions. These cerebellar differences suggest a role in sensorimotor and emotional control related to hypnotic susceptibility.

Keywords:
CerebellumDiffusion tensor imagingHypnotizabilityIndividual differencesVoxel-based morphometry

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Area of Science:

  • Neuroscience
  • Neuroimaging
  • Psychology

Background:

  • Hypnotizability, the capacity to respond to suggestions, shows physiological and behavioral links to cerebellar function.
  • Previous research suggests differences in cerebral areas related to hypnotizability.

Purpose of the Study:

  • To investigate the association between cerebellar structural variations and hypnotic susceptibility.
  • To explore differences in cerebral gray matter structures related to hypnotizability.

Main Methods:

  • Voxel-based morphometry and diffusion tensor imaging were used to analyze brain structure.
  • High (N=12) and low (N=37) hypnotizable participants underwent 3T MRI scans.
  • The Stanford Hypnotic Susceptibility Scale (form A) assessed hypnotic susceptibility.

Main Results:

  • High hypnotizability was associated with smaller gray matter volumes in left cerebellar lobules IV/V and VI.
  • Smaller gray matter volumes were also observed in several cortical regions, including the right inferior temporal gyrus.
  • Micro-structural analyses did not reveal significant associations.

Conclusions:

  • Cerebellar structural variations are linked to hypnotizability, extending beyond a purely cortico-centric view.
  • Cerebellar differences may underlie variations in sensorimotor integration and emotional control associated with hypnotizability.