Abstract:The behavioral changes and histological damage to the brain of rats were examined following lesions of the midlateral posterior hypothalamic area (MLPHA) made by passing electrical current through a metal electrode or through a glass pipette containing hydrogen ion (HCl) or kainic acid. Control experiments included placement of pipettes containing saline and imposing the same current as used in kainic-acid-containing electrodes (sham). Subcutaneous injections of kainic acid assessed damage that may be attribut… Show more
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