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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 ]
Henry Gustav Molaison (February 26, 1926 – December 2, 2008), known widely as H.M., was an American who had a bilateral medial temporal lobectomy to surgically resect the anterior two thirds of his hippocampi, parahippocampal cortices, entorhinal cortices, piriform cortices, and amygdalae in an attempt to cure his epilepsy.
Lobectomy means surgical excision of a lobe. This may refer to a lobe of the lung [ 1 ] (also simply called a lobectomy ), a lobe of the thyroid ( hemithyroidectomy ), a lobe of the brain (as in anterior temporal lobectomy ), or a lobe of the liver ( hepatectomy ).
Amongst some of the earliest studies conducted on the removal of the amygdala were animal and primate studies. [11] [3] In the early 1890s, Friedrich Goltz conducted experiments on temporal lobectomy in dogs including the removal of the amygdala and found that dogs post-surgery experienced a taming effects on aggressive behaviors. [11]
Types of temporal lobectomy include anterior temporal lobectomy (ATL) and selective amygdalohippocampectomy (SAH). [38] The ATL resection is the most common technique where the lateral and polar cortex are removed along with the aforementioned mesial temporal structures as well as the posterior part depending on which hemisphere the ...
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-ectomy : surgical removal (see List of -ectomies). The term 'resection' is also used, especially when referring to a tumor.-opsy : looking at-oscopy : viewing of, normally with a scope-ostomy or -stomy : surgically creating a hole (a new "mouth" or "stoma", from the Greek στόμα (stóma), meaning "body", see List of -ostomies)
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