Neurobehavioral effects of harmful algal bloom (HAB) toxins: A critical review

Human exposure to naturally occurring marine toxins has been associated with a range of neurobehavioral abnormalities. The toxins are produced by harmful algal blooms (HABs) and are typically contracted through seafood consumption. The primary target of many of the HAB toxins is the neurologic syste...

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Bibliographic Details
Published in:Journal of the International Neuropsychological Society 2005-05, Vol.11 (3), p.331-338
Main Authors: FRIEDMAN, MELISSA A., LEVIN, BONNIE E.
Format: Article
Language:English
Subjects:
Amnesia - diagnosis
Amnesia - etiology
Amnesic shellfish poisoning
amnestic
Ciguatera poisoning
Ciguatera Poisoning - complications
Ciguatera Poisoning - etiology
cognitive disorders
CRITICAL REVIEW
Delirium
dementia
Disease control
Domoic acid
Drinking water
Emergency medical care
Environmental health
Hospitals
Human exposure
Humans
Hypotheses
Investigations
Marine mammals
Marine toxins
Neuropsychological Tests
Neuropsychology
Neurotoxins
Pfiesteria piscicida
Poisoning
Studies
Toxins
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Summary:Human exposure to naturally occurring marine toxins has been associated with a range of neurobehavioral abnormalities. The toxins are produced by harmful algal blooms (HABs) and are typically contracted through seafood consumption. The primary target of many of the HAB toxins is the neurologic system, and the neurobehavioral symptoms associated with the HAB illnesses have influenced public health policy. The HAB-related illnesses most frequently linked to neuropsychological disturbance are Amnesic Shellfish Poisoning, Ciguatera Fish Poisoning, and Possible Estuarine Associated Syndrome, which is associated with exposure to the Pfiesteria piscicida organism. Although the neurophysiologic mechanisms underlying many of the HAB illnesses have been well delineated, the literature examining the neuropsychological impairments is unclear and needs to be defined. This review is intended to introduce an emerging area of study linking HAB illnesses with neuropsychological changes. (JINS, 2005, 11, 331–338.)
ISSN:1355-6177
1469-7661
DOI:10.1017/S1355617705050381