Behavioural strategies of aggressive and non-aggressive male mice in active shock avoidance

Benus, R.F.; Bohus, B.; Koolhaas, Jaap M.; Oortmerssen, G.A. van

doi:10.1016/0376-6357(89)90008-9

Cited by 75 publications

(43 citation statements)

References 32 publications

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“…In this regard it has been shown in rodents that heritable stress coping strategies are characterized by individual differences in aggression (Benus, et al, 1991). Moreover, it has also been shown that aggressive individuals show exclusively proactive behaviour as a response to stress, while non-aggressive individuals can respond both reactively and proactively (Benus, et al, 1989). This latter point may offer in part an explanation of why the two different strains of rainbow trout in our study responded similarly to an aversive stimulus and sometimes they responded differently.…”

Section: Open Field Testsupporting

confidence: 59%

Divergence in behavioural responses to stress in two strains of rainbow trout () with contrasting stress responsiveness

Schjolden

Bäckström²,

Pulman³

et al. 2005

Hormones and Behavior

115

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The aim of this study was to establish whether two lines of rainbow trout divergent for their plasma cortisol response to a standardized stressor would show consistent differences in their behavioural response to a range of challenging situations. Our results show that the high-and low-responding (HR and LR) lines of rainbow trout did not differ in the aggression shown towards an intruder or in their response to the introduction of a novel object to their home environment. However, there was a difference in behaviour between the two selection lines when they were exposed to two unfamiliar environments. These results suggest that the behaviour of the HR and LR fish differs when they are challenged in unfamiliar environments, while their behaviour does not differ when they are challenged in their home environment. These observations are in agreement with studies on mammals thatshow that individuals with reactive coping styles perform similarly to proactive animals when they are challenged in a familiar environment, while they show different behaviour when they are challenged in unfamiliar environments. Thus, these results provide further evidence that the HR and LR selection lines of rainbow trout exemplify the two different coping styles described in mammals.

show abstract

Section: Open Field Testsupporting

confidence: 59%

Divergence in behavioural responses to stress in two strains of rainbow trout () with contrasting stress responsiveness

Schjolden

Bäckström²,

Pulman³

et al. 2005

Hormones and Behavior

115

View full text Add to dashboard Cite

show abstract

“…*At least P<0.05, pairwise comparisons (LSD test) following ANOVA challenges. For example, in the active avoidance test (Benus et al 1989) as well as in the defensive burying test , LAL mice show freezing behavior, while SAL mice show an active behavioral response by jumping to the other side of the cage (in the active avoidance test) and by burying the shock prod with bedding material (in the defensive burying test).…”

Section: Discussionmentioning

confidence: 99%

“…LAL mice display high immobility behavior, whereas SAL mice show high climbing and swimming behaviors (Veenema et al 2003b). These behavioral responses are representative of the "passive" coping style in LAL mice and the "active" coping style in SAL mice (Benus et al 1989(Benus et al , 1991aSluyter et al 1996). Others have shown that acute treatment with 5-HT 1A receptor agonists could effectively decrease immobility behavior in the FST (Wieland and Lucki 1990;Singh and Lucki 1993;Schreiber and De Vry 1993;Detke et al 1995;O'Neill and Conway 2001).…”

Section: Introductionmentioning

confidence: 95%

Differences in the effects of 5-HT1A receptor agonists on forced swimming behavior and brain 5-HT metabolism between low and high aggressive mice

et al. 2004

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It is unlikely that the difference in 5-HT(1A) properties between LAL and SAL mice is an adaptive compensatory reaction to changes in 5-HT metabolism. Although unspecific motor effects, at least in SAL mice, cannot be ruled out, it is suggested that the behavioral effects of 8-OH-DPAT and S-15535 may be mediated by predominant activation of postsynaptic 5-HT(1A) receptors in LAL mice and by presynaptic 5-HT(1A) receptors in SAL mice.

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“…In order to separate direct effects of the aversive stimulus from the psychological consequences of the punishment, we studied changes in cardiovascular and hormonal parameters in conditioned stress paradigms. The stress responses are determined by interactions between the environment (controllability/predictability), the properties of the stressor (quality, intensity, and duration), and individual differences in coping strategy (3,4,20,43).…”

Section: Stressmentioning

confidence: 99%

Conditioned neuroendocrine and cardiovascular stress responsiveness accompanying behavioral passivity and activity in aged and in young rats

Korte

Buwalda

Bouws

et al. 1992

Physiology & Behavior

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Conditionedneuroendocrine and cardiovascular stress responsiveness accompanying behavioral passivity and activity in aged and in young rats. PHYSIOL BEHAV 51(4) 815-822, 1992.--Mean arterial pressure (MAP), heart rate (HR), plasma epinephrine (E), plasma norepinephrine (NE), and plasma corticosterone (CORT) were measured in 3-month-and 24-month-old male Wistar rats exposed to a conditioned emotional stress response (CER) paradigm and a conditioned defensive burying (CDB) paradigm. In the CER situation blood samples were taken during reexposure to the training environment one day after a single inescapable footshock (0.6 mA, AC for 3 s) had been administered. In the CER paradigm the young rats displayed passive behavior (immobility) accompanied by an increase in plasma levels of CORT and E, whereas both the control and conditioned animals showed increased NE responses. Previously shocked aged rats exhibited an attenuated plasma NE response, whereas levels of E remained elevated to a greater extent. Aged animals showed elevated basal levels of CORT one day after footshock administration. Stress-induced immobility was preserved in the aged rats. These animals had an increase in basal MAP values and a decrease in basal HR values compared to young ones.In the CDB paradigm, rats were exposed to a nonelectrified probe 1 day after the repeated shock (2 mA/contact) procedure. Young rats displayed defensive burying accompanied by increments in MAP, HR, CORT, and NE. The aged animals showed similar hormonal, autonomic, and behavioral stress responses.Thus, the age-related alterations in neuroendocrine and autonomic response patterns are apparent in stressed animals during behavioral passivity in absence of control (CER) rather than during active control (defensive burying).

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Behavioural strategies of aggressive and non-aggressive male mice in active shock avoidance

Cited by 75 publications

References 32 publications

Divergence in behavioural responses to stress in two strains of rainbow trout () with contrasting stress responsiveness

Divergence in behavioural responses to stress in two strains of rainbow trout () with contrasting stress responsiveness

Differences in the effects of 5-HT1A receptor agonists on forced swimming behavior and brain 5-HT metabolism between low and high aggressive mice

Conditioned neuroendocrine and cardiovascular stress responsiveness accompanying behavioral passivity and activity in aged and in young rats

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