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The hippocampus is a structure in the brain that has been associated with various memory functions. It is part of the limbic system, and lies next to the medial temporal lobe. It is made up of two structures, the Ammon's Horn, and the Dentate gyrus, each containing different types of cells. [1]
The temporal lobe is located beneath the lateral fissure on both cerebral hemispheres of the mammalian brain. [3] The temporal lobe is involved in processing sensory input into derived meanings for the appropriate retention of visual memory, language comprehension, and emotion association. [4]: 21 Temporal refers to the head's temples.
The connections between the terminal nerve and the olfactory system have been extensively studied in human embryos. olfactory nerve fibers enter the brain at stage 17, fibers from the vomeronasal organ and fibers of the terminal nerve enter the brain at stages 17 and 18. [9] During prenatal development some of the ganglion cells are lost. [7]
According to Kukushkin, the memories stored in non-brain cells in other parts of the body are memories strictly related to the roles that those specific cells play in human health. Thus, he detailed:
The stria terminalis (or terminal stria) is a structure in the brain consisting of a band of fibers running along the lateral margin of the ventricular surface of the thalamus. Serving as a major output pathway of the amygdala , the stria terminalis runs from its centromedial division to the ventromedial nucleus of the hypothalamus .
Axon terminals (also called terminal boutons, synaptic boutons, end-feet, or presynaptic terminals) are distal terminations of the branches of an axon. An axon, also called a nerve fiber, is a long, slender projection of a nerve cell that conducts electrical impulses called action potentials away from the neuron's cell body to transmit those ...
The tuberomammillary nucleus (TMN) is a histaminergic nucleus located within the posterior third of the hypothalamus. [1] It is part of the tuber cinereum. [2] It largely consists of histaminergic neurons (i.e. histamine-releasing neurons). It is involved with the control of arousal, learning, memory, sleep and energy balance. [1]
The pyramidal cells give a recurrent excitation which is an important mechanism found in some memory processing microcircuits. [33] Several other connections play important roles in hippocampal function. [19] Beyond the output to the EC, additional output pathways go to other cortical areas including the prefrontal cortex.