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Biomedical subjects

V H Mark

Publications and source records attributed to V H Mark.

14 recordsLinked to original sources

Psychosurgery.

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Aggression

A new method of cranioplasty. Technical note.

A new method of cranioplasty is described. The skull defect is exposed, and an impression is taken which is used for the construction of a plaster of Paris model of the defect. Methyl methacrylate is molded to the model and thus an accurate reproduction of the skull defect is produced. The technique has the main advantage of good cosmetic appearance and strength.

Humans

Effect of exogenous catecholamines in the amygdala of a 'rage' cat.

Minute amounts of epinephrine or norepinephrine alter the behavior of 'rage' cats (prepared by ventromedial hypothalamotomy) when these substances are focally instilled into both amygdalae via chronic brain cannulae capped with a silastic membrane. Hyperactive defense reactions are replaced by lethargy and placidity. Similar injections of epinephrine or norepinephrine into the amygdalae of normally placid cats who had not been subjected to ventromedial hypothalamotomy did not appreciably alter their behavior.

Amygdala