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The hippocampus is part of the limbic system, and plays important roles in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation. The hippocampus is located in the allocortex, with neural projections into the neocortex, in humans [1] [2] [3] as well as other primates. [4]
Neuroimaging pictures can show a number of different shapes, depending on the angle and location of the cut. Shape of human hippocampus and associated structures. Topologically, the surface of a cerebral hemisphere can be regarded as a sphere with an indentation where it attaches to the midbrain.
The neomammalian brain is in charge of all ‘rational thinking’, [4] his model follows Charles Darwin's natural selection idea of ’survival of the fittest’, [10] where those mammals that developed characteristics of the neomammalian brain survived and then passed this trait onto their offspring, until a stage was reached where the ...
Many of its features are common to all mammalian brains, [257] most notably a six-layered cerebral cortex and a set of associated structures, [258] including the hippocampus and amygdala. [259] The cortex is proportionally larger in humans than in many other mammals. [260]
The dentate gyrus (DG) is part of the hippocampal formation in the temporal lobe of the brain, which also includes the hippocampus and the subiculum.The dentate gyrus is part of the hippocampal trisynaptic circuit and is thought to contribute to the formation of new episodic memories, [1] [2] the spontaneous exploration of novel environments [2] and other functions.
This three-layer cortex is still conserved in some parts of the human brain such as the hippocampus and is believed to have evolved in mammals to the neocortex during the transition between the Triassic and Jurassic periods. [69] [68] After looking at history, the mammals had little neocortex compared to the primates as they had more cortex. [70]
The cerebrum (pl.: cerebra), telencephalon or endbrain [1] is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb.
A seahorse (also written sea-horse and sea horse) is any of 46 species of small marine bony fish in the genus Hippocampus. "Hippocampus" comes from the Ancient Greek hippókampos ( ἱππόκαμπος ), itself from híppos ( ἵππος ) meaning "horse" and kámpos ( κάμπος ) meaning "sea monster" [ 4 ] [ 5 ] or "sea animal". [ 6 ]