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The hippocampus (pl.: hippocampi; via Latin from Greek ἱππόκαμπος, 'seahorse'), also hippocampus proper, is a major component of the brain of humans and many other vertebrates. In the human brain the hippocampus, the dentate gyrus, and the subiculum are the components of the hippocampal formation located in the limbic system.
Contralateral brain. The contralateral organization of the forebrain (Latin: contra‚ against; latus‚ side; lateral‚ sided) is the property that the hemispheres of the cerebrum and the thalamus represent mainly the contralateral side of the body. Consequently, the left side of the forebrain mostly represents the right side of the body, and ...
Toxic-metabolic encephalopathy: A catch-all for brain dysfunction caused by infection, organ failure, or intoxication. Transmissible spongiform encephalopathy : A collection of diseases all caused by prions, and characterized by "spongy" brain tissue (riddled with holes), impaired locomotion or coordination, and a 100% mortality rate.
Image of the human brain showing sulci, gyri, and fundi shown in a Coronal section. Specific terms are used to represent the gross anatomy of the brain: A gyrus is an outward folding of the brain, for example the precentral gyrus. A sulcus is an inward fold, or valley in the brain's surface - for example the central sulcus. Additional terms ...
Anosognosia is a condition in which a person with a disability is cognitively unaware of having it due to an underlying physical condition. Anosognosia results from physiological damage to brain structures, typically to the parietal lobe or a diffuse lesion on the fronto-temporal-parietal area in the right hemisphere, [1] [2] [3] and is thus a neuropsychiatric disorder.
In Internet culture, brain rot (or brainrot) refers to any Internet content deemed to be of low quality or value, or the supposed negative psychological and cognitive effects caused by it. [1] The term also refers to excessive use of digital media, especially short-form entertainment [ 2 ] and doomscrolling , [ 3 ] which may affect cognitive ...
Catatonia is a complex syndrome, most commonly seen in people with underlying mood (e.g major depressive disorder) or psychotic disorders (e.g schizophrenia). [2] [3] People with catatonia have abnormal movement and behaviors, which vary from person to person and fluctuate in intensity within a single episode. [4]
Administration of MDMA to mice causes DNA damage in their brain, [80] especially when the mice are sleep deprived. [81] Even at the very low doses that are comparable to those self-administered by humans, MDMA causes oxidative stress and both single and double-strand breaks in the DNA of the hippocampus region of the mouse brain. [82]