Ferreira S H, Gollub L R, Vane J R
J Exp Anal Behav. 1969 Jul;12(4):623-31. doi: 10.1901/jeab.1969.12-623.
One monkey and five baboons were surgically prepared so that heart rate and blood pressure could be monitored continuously, and an extra-corporeal blood path was established to detect the secretion of epinephrine (adrenaline) and norepinephrine (noradrenaline). A respondent conditioning procedure was used in which a tone was paired with electric shocks. Epinephrine, but not norepinephrine was released by shocks, and a corresponding release was demonstrated by the tone alone. Heart rate and blood pressure changes were also elicited by shocks and by the tone.
一只猴子和五只狒狒接受了外科手术，以便能够连续监测心率和血压，并建立体外血液通路以检测肾上腺素和去甲肾上腺素的分泌。采用了一种应答性条件反射程序，其中将一种音调与电击配对。电击会释放肾上腺素而非去甲肾上腺素，单独的音调也会引发相应的释放。电击和音调也会引起心率和血压的变化。
