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In 1825, Bouchet and Cazauvieilh described palpable firmness and atrophy of the uncus and medial temporal lobe of brains from epileptic and non-epileptic individuals. [4]: 565 In 1880, Wilhelm Sommer investigated 90 brains and described the classical Ammon's horn sclerosis pattern, severe neuronal cell loss in hippocampal subfield cornum Ammonis 1 (CA1) and some neuronal cell loss in ...
They most commonly arise from the mesial temporal lobe, particularly the amygdala, hippocampus, and neocortical regions. [17] A common associated brain abnormality is mesial temporal sclerosis. [15] Mesial temporal sclerosis is a specific pattern of hippocampal neuronal loss accompanied by hippocampal gliosis and atrophy. [18]
ICD-9-CM. 01.53. MeSH. D038481. [edit on Wikidata] Anterior temporal lobectomy (ATL) is the complete or partial removal of the anterior portion of the temporal lobe of the brain. The exact boundaries for removal can vary slightly in practice and between neurosurgeons. [1] It is a treatment option for temporal lobe epilepsy for those in whom ...
Neurology, Psychiatry. In the field of neurology, temporal lobe epilepsy is an enduring brain disorder that causes unprovoked seizures from the temporal lobe. Temporal lobe epilepsy is the most common type of focal onset epilepsy among adults. [1] Seizure symptoms and behavior distinguish seizures arising from the medial temporal lobe from ...
Structural MRI scans often reveal frontal lobe and/or anterior temporal lobe atrophy, but in early cases the scan may seem normal. Atrophy can be either bilateral or asymmetric. [13] Registration of images at different points of time (e.g., one year apart) can show evidence of atrophy that otherwise at individual time points may be reported as ...
Geschwind syndrome, also known as Gastaut-Geschwind, is a group of behavioral phenomena evident in some people with temporal lobe epilepsy. It is named for one of the first individuals to categorize the symptoms, Norman Geschwind, who published prolifically on the topic from 1973 to 1984. [1] There is controversy surrounding whether it is a ...
Cerebral atrophy is a common feature of many of the diseases that affect the brain. [1] Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them. Brain atrophy can be classified into two ...
The temporal lobe is involved in primary auditory perception, such as hearing, and holds the primary auditory cortex. [6] The primary auditory cortex receives sensory information from the ears and secondary areas process the information into meaningful units such as speech and words. [6] The superior temporal gyrus includes an area (within the ...