Stereoscopic depth increases intersubject correlations of brain networks

Michael Gaebler, Felix Biessmann, Jan Peter Lamke, Klaus Robert Müller, Henrik Walter, Stefan Hetzer

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


Three-dimensional movies presented via stereoscopic displays have become more popular in recent years aiming at a more engaging viewing experience. However, neurocognitive processes associated with the perception of stereoscopic depth in complex and dynamic visual stimuli remain understudied. Here, we investigate the influence of stereoscopic depth on both neurophysiology and subjective experience. Using multivariate statistical learning methods, we compare the brain activity of subjects when freely watching the same movies in 2D and in 3D. Subjective reports indicate that 3D movies are more strongly experienced than 2D movies. On the neural level, we observe significantly higher intersubject correlations of cortical networks when subjects are watching 3D movies relative to the same movies in 2D. We demonstrate that increases in intersubject correlations of brain networks can serve as neurophysiological marker for stereoscopic depth and for the strength of the viewing experience.

Original languageEnglish
Pages (from-to)427-434
Number of pages8
Publication statusPublished - 2014 Oct 15


  • 3D movies
  • Canonical correlation analysis (CCA)
  • FMRI
  • Immersion
  • Intersubject correlations
  • Natural viewing

ASJC Scopus subject areas

  • Neurology
  • Cognitive Neuroscience


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