1 doctor weighed in:

Aree visual hallucinations triggered by fear?

1 doctor weighed in
Dr. Austina Cho
Psychiatry

In brief: Not likely.

Visual hallucinations can be triggered by sleep deprivation, drugs, temporal lobe epilepsy, ; severe psychiatric illnesses.
Seizures in the primary visual cortex of the brain may cause simple seizures like shadows, ; seizures in the visual association areas may cause more elaborate ones loss of sensory input from the eyes i.e. Nerve damage ; lesions in the brainstem can also cause them.

In brief: Not likely.

Visual hallucinations can be triggered by sleep deprivation, drugs, temporal lobe epilepsy, ; severe psychiatric illnesses.
Seizures in the primary visual cortex of the brain may cause simple seizures like shadows, ; seizures in the visual association areas may cause more elaborate ones loss of sensory input from the eyes i.e. Nerve damage ; lesions in the brainstem can also cause them.
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