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The cerebral cortex, also known as the cerebral mantle, [ 1 ] is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. It is the largest site of neural integration in the central nervous system, [ 2 ] and plays a key role in attention, perception, awareness, thought, memory, language, and consciousness.
Human brain in the coronal orientation. Amygdalae are shown in dark red. The amygdala (/ ə ˈ m ɪ ɡ d ə l ə /; pl.: amygdalae / ə ˈ m ɪ ɡ d ə l i,-l aɪ / or amygdalas; also corpus amygdaloideum; Latin from Greek, ἀμυγδαλή, amygdalē, 'almond', 'tonsil' [1]) is a paired nuclear complex present in the cerebral hemispheres of vertebrates.
In philosophy of self, self-awareness is the experience of one's own personality or individuality. [1] It is not to be confused with consciousness in the sense of qualia. While consciousness is being aware of one's body and environment, self-awareness is the recognition of that consciousness. [2] Self-awareness is how an individual experiences ...
Models of consciousness are used to illustrate and aid in understanding and explaining distinctive aspects of consciousness. Sometimes the models are labeled theories of consciousness. Anil Seth defines such models as those that relate brain phenomena such as fast irregular electrical activity and widespread brain activation to properties of ...
the part of mental life or psychic content in psychoanalysis that is immediately available to the ego— compare PRECONSCIOUS, UNCONSCIOUS. The Cambridge English Dictionary defines consciousness as "the state of understanding and realizing something". [ 21 ] The Oxford Living Dictionary defines consciousness as " [t]he state of being aware of ...
A seizure is a period of symptoms due to abnormally excessive or synchronous neuronal activity in the brain. [6] Outward effects vary from uncontrolled shaking movements involving much of the body with loss of consciousness (tonic-clonic seizure), to shaking movements involving only part of the body with variable levels of consciousness (focal seizure), to a subtle momentary loss of awareness ...
Meningitis is acute or chronic inflammation of the protective membranes covering the brain and spinal cord, collectively called the meninges. [ 10 ] The most common symptoms are fever, intense headache, vomiting and neck stiffness and occasionally photophobia.
Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships—relationships in which an individual knows who each person is and how each person relates to every other person. [ 1 ][ 2 ] This number was first proposed in the 1990s by British anthropologist Robin Dunbar, who found ...