Health Neurology Science Can photic head shaking be a sign of an underlying condition? December 24, 2025 by Riding Photic head shaking, a reflexive head movement triggered by exposure to bright light, can sometimes be a sign of an underlying condition. While it is often considered a benign and normal response, in certain cases, it may indicate neurological issues or other health concerns. Understanding the causes and implications of photic head shaking can help […] Read more »