hippocampus

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Related to Hippocampal formation: Hippocampus, limbic system, Entorhinal cortex

hippocampus

[‚hip·ə′kam·pəs]
(anatomy)
A ridge that extends over the floor of the descending horn of each lateral ventricle of the brain.

Hippocampus

[‚hip·ə′kam·pəs]
(vertebrate zoology)
A genus of marine fishes in the order Gasterosteiformes which contains the sea horses.

hippocampus

fabulous marine creature; half fish, half horse. [Rom. Myth. and Art: Hall, 154]
References in periodicals archive ?
I suspect that the hippocampal formation plays a key role in the reorganization of one's knowledge about the world, but the extent to which consciousness enters into that process remains unclear," Petersen holds.
No significant hemispheric differences in any subfield of the hippocampal formation in control animals (7) and also lateralization in their control groups were reported (8).
Second, the advances made in functional magnetic resonance imaging (fMRI) are sufficiently sensitive to identify dysfunction in the small regions of the brain that are associated with schizophrenia--the hippocampal formation, amygdala, the frontal cortex, and the basal ganglia.
As proposed by Papez, the hippocampal formation and projections via the fornix to the cortex provide the main pathway by which impulses from the cortex can reach the hypothalamus.
This so-called hippocampal formation helps to regulate memory formation and the learning of information.