Related Experiment Video
Updated: Apr 28, 2026

A Two-interval Forced-choice Task for Multisensory Comparisons
Published on: November 9, 2018
Spatiotemporally varying visual hallucinations: II. Spectral classification and comparison with theory
H Henke1, P A Robinson2, P M Drysdale1
1School Of Physics, The University Of Sydney, Sydney, New South Wales 2006, Australia; Brain Dynamics Center, Westmead Millennium Institute, The University Of Sydney, Westmead, New South Wales 2145, Australia.
Abstract:
In order to better understand the nature of visual hallucinations, and to test predictions of spatiotemporally oscillating hallucinations from a recent corticothalamic model of visual dynamics, clinical descriptions of hallucinations are used to establish boundaries on the spatiotemporal frequencies observed in various disorders. Detailed comparisons with hallucinations during migraine aura demonstrate that key features are consistent with corticothalamic origin and specific abnormalities, but underline the need for more detailed quantitative data to be obtained on temporally oscillating hallucinations more generally.
Related Concept Videos
Color Vision
Positive Symptoms Schizophrenia: Hallucinations and Delusions
Hallucinations
Hallucinations in...
Photoreceptors and Visual Pathways
Visual System
Once through the pupil, the light passes through the lens, a...
Vision
Depth Perception and Spatial Vision

