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Multiple sclerosis and other demyelinating diseases of the central nervous system (CNS) produce lesions (demyelinated areas in the CNS) and glial scars or scleroses. They present different shapes and histological findings according to the underlying condition that produces them. Demyelinating diseases are traditionally classified in two kinds ...
A demyelinating disease refers to any disease affecting the nervous system where the myelin sheath surrounding neurons is damaged. [1] This damage disrupts the transmission of signals through the affected nerves, resulting in a decrease in their conduction ability. Consequently, this reduction in conduction can lead to deficiencies in sensation ...
Myelin. Myelin (/ ˈmaɪ.əlɪn / MY-ə-lin) is a lipid -rich material that surrounds nerve cell axons (the nervous system's electrical wires) to insulate them and increase the rate at which electrical impulses (called action potentials) pass along the axon. [1][2] The myelinated axon can be likened to an electrical wire (the axon) with ...
Inflammatory demyelinating diseases (IDDs), sometimes called Idiopathic (IIDDs) due to the unknown etiology of some of them, are a heterogenous group of demyelinating diseases - conditions that cause damage to myelin, the protective sheath of nerve fibers - that occur against the background of an acute or chronic inflammatory process.
N/A. Spongy degeneration of the central nervous system, also known as Canavan's disease, Van Bogaert-Bertrand type or Aspartoacylase (AspA) deficiency, is a rare autosomal recessive neurodegenerative disorder. [ 1] It belongs to a group of genetic disorders known as leukodystrophies, [ 1] where the growth and maintenance of myelin sheath in the ...
Pelizaeus – Merzbacher disease is an X-linked neurological disorder that damages oligodendrocytes in the central nervous system. It is caused by mutations in proteolipid protein 1 (PLP1), a major myelin protein. It is characterized by a decrease in the amount of insulating myelin surrounding the nerves (hypomyelination) and belongs to a group ...
Developmental cognitive neuroscience is an interdisciplinary scientific field devoted to understanding psychological processes and their neurological bases in the developing organism. It examines how the mind changes as children grow up, interrelations between that and how the brain is changing, and environmental and biological influences on ...
Pediatric neuropsychology. Pediatric neuropsychology (paediatric in the UK) is a sub-speciality within the field of clinical neuropsychology that studies the relationship between brain health and behaviour in children. [1] Many pediatric neuropsychologists are involved in teaching, research, supervision, and training of undergraduate and ...