A visual aura is a perceptual disturbance experienced by some individuals before or during a migraine, often characterized by visual phenomena such as flashing lights, zigzag patterns, or blind spots. It typically lasts between 20 to 60 minutes and serves as a warning sign for the onset of a migraine attack.

Visual Aura

visual aura

Perceptual disturbance refers to a disruption or alteration in the way sensory information is processed, leading to distorted or misinterpreted perceptions. It is often associated with psychiatric conditions, neurological disorders, or substance use, and can manifest as hallucinations, illusions, or altered sensory experiences.

perceptual disturbance

A migraine is a neurological disorder characterized by intense, debilitating headaches often accompanied by nausea, vomiting, and sensitivity to light and sound. It involves complex changes in the brain and its blood vessels, and can be triggered by various environmental, dietary, and hormonal factors.

Relevant Degrees

Log in to see lessons