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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 difference in memory between normal aging and a memory disorder is the amount of beta-amyloid deposits, hippocampal neurofibrillary tangles, or amyloid plaques in the cortex. If there is an increased amount, memory connections become blocked, memory functions decrease much more than what is normal for that age and a memory disorder is ...
The removed brain structures included the hippocampus, the amygdala, and the parahippocampal gyrus, now called the medial temporal lobe memory system. [28] HM was one of the most studied memory cases to date and started the examination of neurological structures in relation to memory.
Brain injuries have far-reaching and varied consequences due to the nature of the brain as the main source of bodily control. Brain-injured people commonly experience issues with memory. [15] This can be issues with either long or short-term memories depending on the location and severity of the injury.
Learning and memory are usually attributed to changes in neuronal synapses, thought to be mediated by long-term potentiation and long-term depression. In general, the more emotionally charged an event or experience is, the better it is remembered; this phenomenon is known as the memory enhancement effect. Patients with amygdala damage, however ...
Brain Regions Involved in Memory Formation. Implicit memory, or more precisely procedural memory, is memory of information without conscious awareness or ability to verbalize the process, and is also a discipline of LTM. [32] There are three types of implicit memory, which are: conditioning (emotional behavior), tasks and priming (verbal ...
Some research has suggested that organic and psychogenic amnesia to some extent share the involvement of the same structures of the temporo-frontal region in the brain. [8] It has been suggested that deficits in episodic memory may be attributable to dysfunction in the limbic system , [ 22 ] while self-identity deficits have been suggested as ...
Memory consolidation was first referred to in the writings of the renowned Roman teacher of rhetoric Quintillian.He noted the "curious fact... that the interval of a single night will greatly increase the strength of the memory," and presented the possibility that "... the power of recollection .. undergoes a process of ripening and maturing during the time which intervenes."