Hello, I was reading about Palinopsia and came across several articles online. NOt sure if this helps any of you but I will post what I have found....
Palinopsia occurs most frequently in the context of a left homonymous hemianopia secondary to right occipitotemporal or occipitoparietal lesions: these may be vascular, neoplastic, metabolic, ictal, or drug- or toxin-induced (e.g. carbon monoxide poisoning.) Also, with retinal or optic nerve disease, and in normal individuals. Palinopsia can also complicate psychiatric disorders.
Palinopsia results from structural lesions of the parietal and occipital lobes of either the right or left hemisphere, but the right hemisphere is usually involved ( 42, 43). Palinopsia can also complicate psychiatric disorders (e.g., schizophrenia, depression) and drug use (e.g., lysergic acid diethylamide [LSD], trazodone). With structural lesions such as stroke, palinopsia is usually a transient phenomenon, occurring during the progressive evolution or resolution of a homonymous visual field defect, and it appears in the area of visual loss. Rarely, palinopsia persists for years. Palinopsia may be related to the illusory visual spread, in which visual perception extends over a greater area than that which the stimulus would be expected to excite.
For example, the patient looks at a clock and sees the area between 1 o'clock and 6 o'clock as being twice as large as the area between 7 o'clock and 12 o'clock ( 41). Palinopsia may be the result of an epileptic seizure, but is most often a release hallucination ( 40, 43). Psychologic factors may contribute to palinopsia, as Critchley observed of such patients: "things they think about a lot do not go out of vision as quickly, as if they were slow in being switched off"
When palinopsia is associated with migraine, epilepsy, or stroke it is most commonly a transient attack and not persistent.
I love how they say rarely palinopsia lasts for years...great, Im probably the rare case. Also, if this were migraine related for me, why then is mine persistent for more than a year. It just doesn't make sense. Something is not right. Whether its a toxin, or prescription drug that damaged me..that seems to make more sense.
Palinopsia occurs most frequently in the context of a left homonymous hemianopia secondary to right occipitotemporal or occipitoparietal lesions: these may be vascular, neoplastic, metabolic, ictal, or drug- or toxin-induced (e.g. carbon monoxide poisoning.) Also, with retinal or optic nerve disease, and in normal individuals. Palinopsia can also complicate psychiatric disorders.
Palinopsia results from structural lesions of the parietal and occipital lobes of either the right or left hemisphere, but the right hemisphere is usually involved ( 42, 43). Palinopsia can also complicate psychiatric disorders (e.g., schizophrenia, depression) and drug use (e.g., lysergic acid diethylamide [LSD], trazodone). With structural lesions such as stroke, palinopsia is usually a transient phenomenon, occurring during the progressive evolution or resolution of a homonymous visual field defect, and it appears in the area of visual loss. Rarely, palinopsia persists for years. Palinopsia may be related to the illusory visual spread, in which visual perception extends over a greater area than that which the stimulus would be expected to excite.
For example, the patient looks at a clock and sees the area between 1 o'clock and 6 o'clock as being twice as large as the area between 7 o'clock and 12 o'clock ( 41). Palinopsia may be the result of an epileptic seizure, but is most often a release hallucination ( 40, 43). Psychologic factors may contribute to palinopsia, as Critchley observed of such patients: "things they think about a lot do not go out of vision as quickly, as if they were slow in being switched off"
When palinopsia is associated with migraine, epilepsy, or stroke it is most commonly a transient attack and not persistent.
I love how they say rarely palinopsia lasts for years...great, Im probably the rare case. Also, if this were migraine related for me, why then is mine persistent for more than a year. It just doesn't make sense. Something is not right. Whether its a toxin, or prescription drug that damaged me..that seems to make more sense.
