Memory loss is associated with this type of shellfish poisoning.
Algal Species (found in the Gulf of Mexico) that Cause ASP
For example: P. multiseries and P. pseudodelicatissima (image)
Domoic acid and its derivatives
Symptoms appear within 24 hours; memory loss can last for more than one year
Factors Affecting Degree of Toxicity
Amount of toxin ingested
Transformation of toxins
Rate of toxin elimination
Consumption of seafood before sickness
Can examine food specimen
NOTE: Symptoms are more severe in the elderly and in children
Subsequent Symptoms (within 48 hours)
Seafood Associated with ASP
ASP Cases in the U.S.
ASP Cases in the Gulf of Mexico