Jaap M. Koolhaas

Social stress in male mice impairs long-term antiviral immunity selectively in wounded subjects.

Adrenocortical reactivity and central serotonin and dopamine turnover in young chicks from a high and low feather-pecking line of laying hens.

Defensive burying in rodents: ethology, neurobiology and psychopharmacology.

Differences in basal and stress-induced HPA regulation of wild house mice selected for high and low aggression.

Activation of serotonergic neurotransmission during the performance of aggressive behavior in rats.

Individual variation in aggression of feral rodent strains: a standard for the genetics of aggression and violence?

Toward an animal model for antisocial behavior: parallels between mice and humans.

Cerebrospinal fluid monoamine and metabolite concentrations and aggression in rats.

The control of feather pecking by serotonin.

Basal and stress-induced differences in HPA axis, 5-HT responsiveness, and hippocampal cell proliferation in two mouse lines.

Neonatal handling increases sensitivity to acute neurodegeneration in adult rats.

Differences in the effects of 5-HT(1A) receptor agonists on forced swimming behavior and brain 5-HT metabolism between low and high aggressive mice.

A single social defeat induces short-lasting behavioral sensitization to amphetamine.

Social environment determines the long-term effects of social defeat.

The Darwinian concept of stress: benefits of allostasis and costs of allostatic load and the trade-offs in health and disease.

Long-term effects of social stress on brain and behavior: a focus on hippocampal functioning.

Chicks from a high and low feather pecking line of laying hens differ in apomorphine sensitivity.

The stress response to sensory contact in mice: genotype effect of the stimulus animal.

Deafferentation affects short-term but not long-term control of food intake.

Ablation of capsaicin-sensitive afferent nerves affects insulin response during an intravenous glucose tolerance test.

Anxiolytic-like action of the antidepressant agomelatine (S 20098) after a social defeat requires the integrity of the SCN.

Do similar neural systems subserve aggressive and sexual behaviour in male rats? Insights from c-Fos and pharmacological studies.

5-HT1A and 5-HT1B receptor agonists and aggression: a pharmacological challenge of the serotonin deficiency hypothesis.

A new animal welfare concept based on allostasis.

Differential role of the 5-HT1A receptor in aggressive and non-aggressive mice: an across-strain comparison.

Social stress during adolescence in Wistar rats induces social anxiety in adulthood without affecting brain monoaminergic content and activity.

Long-lasting suppression of hippocampal cell proliferation and impaired cognitive performance by methotrexate in the rat.

Individual variation in coping with stress: a multidimensional approach of ultimate and proximate mechanisms.

Aggressive and non-aggressive personalities differ in oxidative status in selected lines of mice (Mus musculus).

Development of violence in mice through repeated victory along with changes in prefrontal cortex neurochemistry.

Delineation of violence from functional aggression in mice: an ethological approach.

Methotrexate decreases hippocampal cell proliferation and induces memory deficits in rats.

Violent phenotype in SAL mice is inflexible and fixed in adulthood.

MDMA-induced serotonergic neurotoxicity enhances aggressiveness in low- but not high-aggressive rats.

Lack of differential serotonin biosynthesis capacity in genetically selected low and high aggressive mice.

Long-term neurobiological consequences of ecstasy: a role for pre-existing trait-like differences in brain monoaminergic functioning?

Inhibition of hippocampal cell proliferation by methotrexate in rats is not potentiated by the presence of a tumor.

Methotrexate reduces hippocampal blood vessel density and activates microglia in rats but does not elevate central cytokine release.

The vicious cycle towards violence: focus on the negative feedback mechanisms of brain serotonin neurotransmission.

Testosterone decrease does not play a major role in the suppression of hippocampal cell proliferation following social defeat stress in rats.

Sleep deprivation impairs contextual fear conditioning and attenuates subsequent behavioural, endocrine and neuronal responses.

Social behavior and social stress in adolescence: a focus on animal models.

A time for learning and a time for sleep: the effect of sleep deprivation on contextual fear conditioning at different times of the day.

Coping styles and behavioural flexibility: towards underlying mechanisms.

Agomelatine reverses the decrease in hippocampal cell survival induced by chronic mild stress.

Differential long-term effects of social stress during adolescence on anxiety in Wistar and wild-type rats.

Gender differences in hyperthermia and regional 5-HT and 5-HIAA depletion in the brain following MDMA administration in rats.

Does the early social environment affect structure and consistency of personality in wild-type male's rat?

Male Wistar rats are more susceptible to lasting social anxiety than Wild-type Groningen rats following social defeat stress during adolescence.

Social Defeat during Adolescence and Adulthood Differentially Induce BDNF-Regulated Immediate Early Genes.

The acute glucocorticoid stress response does not differentiate between rewarding and aversive social stimuli in rats.

Impulsivity and aggressive behavior in Roman high and low avoidance rats: baseline differences and adolescent social stress induced changes.

Poor sleep as a potential causal factor in aggression and violence.

Structural and electrical myocardial remodeling in a rodent model of depression.

Correlated behavioral traits in rats of the Roman selection lines.

Antiaggressive activity of central oxytocin in male rats.