Contrasting alterations in brain chemistry in a crustacean intermediate host of two acanthocephalan parasites

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Raw data on brain chemistry (total protein, antioxidant capacity and monoamines) in the amphipod Gammarus fossarum, infected with acanthocephalan parasites (Pomphorhynchus terreticollis and Polymorphus minutus): • Parasite-induced behavioral changes may rely on host adaptive behavioral flexibility • Brain chemistry mediating flexibility may be altered in acanthocephalan-infected host • Brain total protein is higher in intermediate host infected by two acanthocephalans • Antioxidant capacity is decreased by one parasite, dopamine content is increased by the other • Species- and season-specific neurochemical changes reflect variable host response

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