Hippocampus-dependent declarative memory benefits particularly from slow-wave sleep (SWS), whereas ... Memory encompasses the stages of acquisition, conso- ... (semantic) and events (episodic), and is neuroanatomically defined by its crucial dependence on remote semantic memory is impoverished in patients with hippocampal amnesia and that the hippocampus supports the maintenance and updating of semantic memory beyond its initial acquisition. In contrast to semantic memories of abstract facts and their associations, episodic memories can be represented as stories. Moreover, the posterior parietal cortices are responsible for spatial processing, as well as cognitive processes. The use of lexical and semantic knowledge during discourse was also examined. Nevertheless, patients with hippocampal damage typically have a normal vocabulary, and their general knowledge of facts remains intact. With the perspective of time and this critical review, we arrive at the interpretation that the hippocampus does indeed make necessary contributions to semantic memory. The semantic memory is a derivative of episodic memory to capture facts and figures. The hippocampus is known to be associated with the consolidation of episodic memories, which are memories of personally experienced events and their associated emotions. The second goal of this review is to provide a synthesis of new findings on the role of the hippocampus and semantic memory. When it comes to other functions of the hippocampus, we can say that its orbitofrontal cortex is related to the regulation of stress and emotions. to be underpinned by the hippocampus. Semantic memory is a form of long-term memory that comprises a person’s knowledge about the world. Declarative memories are the ones associated with facts or events (semantic memory is considered one type of declarative memory; episodic is another type). Hippocampus and our Memory There is a transition from episodic to semantic terms. A. change the word "episodic" to the word "implicit" B. change the word "long-term" to the word "declarative" episodic and semantic memory A striking feature of the memory problems that fol­ low hippocampal damage is an inability to remember recent events. Henry Gustav Molaison (February 26, 1926 – December 2, 2008), known widely as H.M., was an American man who had a bilateral medial temporal lobectomy to surgically resect the anterior two thirds of his hippocampi, parahippocampal cortices, entorhinal … Studies of patients with amnesia reported the following neuroanatomical structures related to memory: anterior and medial part of the temporal lobe, prefrontal region, portions of the limbic system including the hippocampal gyrus and uncus, thalamic nuclei, and mammillary bodies [].Squire et al. At the same time, it is not required for semantic memories. 2.1. 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