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Do clams have brains?

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Bivalves do not have brains as brains are defined. They have a nerve cord and ganglia (clusters of nerves) including a cerebral ganglion, but a brain implies a concentrated bunch of nerves that are defined into different regions with different functions (like lobes). And bivalves don't have this. read more

Translation: Bivalves have a very simple nervous system which is not aggregated in anything like a brain. Other invertebrates, like shrimp, show changes in behavior (e. g. grooming their antenna after injury) neurotransmitters or neural firing in response to injury, but previous studies have not shown this kind of response in bivalves. read more

Not really, but they do have a very simple nervous system. Clams have a cerebral ganglion, a visceral ganglion, and a pedal ganglion. read more

Bivalves do not have brains as brains are defined. They have a nerve cord and ganglia (clusters of nerves) including a cerebral ganglion, but a brain implies a concentrated bunch of nerves that are defined into different regions with different functions (like lobes). read more

These clams might not have a brain, but they do have a foot for digging. They'd better move quick, or these rays and birds will have them for dinner. read more

Translation: Bivalves have a very simple nervous system which is not aggregated in anything like a brain. Other invertebrates, like shrimp, show changes in behavior (e.g. grooming their antenna after injury) neurotransmitters or neural firing in response to injury, but previous studies have not shown this kind of response in bivalves. read more

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