Illusory palinopsia

Illusory Palinopsia is a visual disorder characterized by the persistence or recurrence of visual images after the stimulus has been removed. It is a type of palinopsia, a broader term for various visual disturbances, including illusory and hallucinatory palinopsia.

Symptoms

The primary symptom of illusory palinopsia is the persistence of visual images. This can occur in the form of afterimages, where the image remains after the object is no longer in view, or trailing, where moving objects leave a trail of images behind them. These symptoms can be distressing and interfere with daily activities.

Causes

Illusory palinopsia is often associated with certain conditions, including migraine, head injury, and use of certain medications such as hallucinogens. It can also occur as a result of damage to the visual cortex, the part of the brain responsible for processing visual information.

Diagnosis

Diagnosis of illusory palinopsia is typically based on the patient's description of their symptoms. There are no specific tests for this condition, but a thorough neurological examination may be performed to rule out other conditions.

Treatment

Treatment for illusory palinopsia is primarily aimed at managing the underlying condition. This may involve medication to control migraines, or therapy to help manage the effects of a head injury. In some cases, changes to medication may be necessary.

See also

• Visual cortex
• Neurological examination
• Migraine
• Head injury

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