Aggression: Biological, Developmental, and Social by Pierre Karli (auth.), Seymour Feshbach, Jolanta Zagrodzka

By Pierre Karli (auth.), Seymour Feshbach, Jolanta Zagrodzka (eds.)

In this quantity best overseas specialists current the result of their unique clinical reports of competitive habit. Written in honor of the eminent Polish psychologist, Adam Fraczec, for this paintings during this zone, the contributed chapters spotlight the similarities and variations within the findings supplied by means of investigators operating in varied cultural settings.

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18]). 5 nmole dose level. Beyond this period, response latency values returned to predrug levels. 05 nmoles. EFFECTS OF MICROINFUSION OF SUBSTANCE P INTO THE MEDIAL HYPOTHALAMUS UT'ON PREDATORY ATTACK BEHAVIOR This experiment tested the hypothesis that activation of substance P receptors in the medial hypothalamus would mimic the effects of me- 42 MAJID B. n -< ~ U Z 5 ~ o -5 L______________________________________________ 5 60 120 POSTINJECTION TIME (Min) FIGURE 7. , [18]). dial amygdaloid stimulation by suppressing predatory attack behavior.

1985, Fonberg, 1988) showed that aggression is not indispensable to gain and keep the dominance status. This is in agreement with some other data indicating lack of correlation between the level of aggression and other measures by which dominance can be assessed in primates (Kaufmann, 1967; Bernstein, 1970). The predatory competition model is also useful in the research on basic neurobiological mechanisms underlying dominance. We have found for example, that lesions placed in dorsomedial amygdala selectively abolish predatory dominance.

5 Hz, 1 ms per half cycle duration) were generated by 2 Grass 5-88 stimulators connected to the cat in series with constant current isolation units (Grass P5IU6). A Tektronix 5000 series oscilloscope was used to monitor peak-to-peak current. The cannula-electrode was cemented in place with dental acrylic when defensive rage or predatory attack was consistently elicited within 15 sec of stimulation. 1 sec. The time required to elicit a hissing response after the onset of electrical stimulation was defined as the response latency for defensive rage behavior.

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