Hallucinatory palinopsia
Hallucinatory Palinopsia (pronounced: həˌlo͞osəˈnətôrē paliˈnäpsēə) is a rare and complex visual disorder characterized by the persistence or recurrence of visual images after the stimulus has been removed. The term is derived from the Greek words "palin" meaning again and "opsia" meaning seeing.
Etymology
The term "Hallucinatory Palinopsia" is derived from the Greek words "palin" which means 'again' and "opsia" which means 'seeing'. It was first used in medical literature in the 20th century to describe a condition where patients see an image repeatedly even after the original stimulus is removed.
Symptoms
The primary symptom of Hallucinatory Palinopsia is the persistence or recurrence of visual images after the stimulus has been removed. These images can be simple, such as lights or colors, or complex, such as faces or landscapes. The images are often distorted and can appear larger, smaller, or in a different location than the original stimulus.
Causes
Hallucinatory Palinopsia is often associated with conditions that affect the brain, such as migraine, brain injury, seizure disorders, and certain psychiatric disorders. It can also be a side effect of certain medications.
Treatment
Treatment for Hallucinatory Palinopsia is primarily focused on managing the underlying condition that is causing the symptoms. This may include medication to control seizures or migraines, therapy for psychiatric disorders, or changes to medication that may be causing the symptoms.
See Also
External links
- Medical encyclopedia article on Hallucinatory palinopsia
- Wikipedia's article - Hallucinatory palinopsia
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