hippocampus hippocampus  /ˌhɪ poʊ ˈkæm pəs/


  1. (n) a complex neural structure (shaped like a sea horse) consisting of grey matter and located on the floor of each lateral ventricle; intimately involved in motivation and emotion as part of the limbic system; has a central role in the formation of memories
  2. (n) seahorses


  1. Consider, that is, the hippocampus.
  2. Neurons in the hippocampus might be making new connections using some entirely different means that has escaped researchers' attention.
  3. Not true - at least not in the hippocampus, according to a team of American and Swedish scientists who took samples of this portion of the brain from cancer patient autopsies.


  1. New Evidence Suggests Neurons Continue To Grow In Adult Brains

    redOrbit Staff & Wire Reports – Your Universe Online Despite a longstanding view that an adult brain is incapable of generating new neurons , researchers from the Karolinska Institute in Sweden have discovered that a person’s hippocampus is constantly generating more of them – and their discovery comes thanks in part to early Cold War-era nuclear bomb tests. The research, which has been ...
    on June 9, 2013     Source: redOrbit

  2. Nuclear testing from the 1960s helps scientist determine whether adult brains generate new neurons

    ( Cell Press ) A study reveals that a significant number of new neurons in the hippocampus--a brain region crucial for memory and learning--are generated in adult humans. The researchers used a unique strategy based on the amount of carbon-14 found in humans as a result of above-ground nuclear testing fifty years ago. The findings suggest that new neurons are born daily in the human hippocampus ...
    on June 6, 2013     Source: EurekAlert!

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definition of hippocampus


  1. "These two lines of evidence," Tonegawa says, "corroborate that one particular gene's intactness in this particular circuit in the hippocampus plays a crucial role in being able to form distinct memories for a similar but different...
    on Jun 8, 2007 By: Susumu Tonegawa Source: Scientific American

  2. Thus the medial temporal lobe regions "may play some role in remembering the general gist of what happened to you", Schacter says. "It might be in recollecting that you are responding to activation in the hippocampus, because usually when...
    on Jul 12, 2006 By: Daniel Schacter Source: Sydney Morning Herald

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