Neuroscience: violence, empathy and recreational hunting
Recreational hunting is often defended as a cultural practice supposedly deeply rooted in humans. Some proponents even point to “archaic instincts” claimed to legitimise the killing of wild animals.
«Whoever Pulls the Trigger Once»
Yet from the perspective of modern neuroscience, a different picture emerges.
The amygdala, a central brain region that modulates emotions such as fear, aggression and empathy, plays a particularly decisive role here. New research findings suggest that hunting behaviour is less aligned with natural competence than with learned patterns that favour emotional distancing. The amygdala reacts strongly to social and animal suffering. Repeated killing leads to measurable emotional numbing and reduced amygdala activity.
Emotion, empathy and the limbic system
The amygdala is significantly involved in processing emotional signals. It registers threats, but equally socially relevant stimuli such as the suffering of other living beings. Studies from recent years show that repeatedly engaging in violence, even in controlled contexts, can lead to measurable functional adaptations. The more often people experience or actively bring about violent situations, the more strongly the activity patterns of those networks responsible for empathy, stress regulation and impulse control change. This shows: the more frequently someone is involved in killing situations, the more strongly empathic reactivity in the amygdala/insula declines.
In groups that regularly kill animals, for example in a hunting context, researchers point to a tendency towards emotional blunting. The amygdala then shows reduced reactivity to signals of suffering. This adaptation is not a “hunting instinct”, but a neuropsychological protective mechanism: emotional distance as a strategy to reduce unpleasant sensations. Repeated killing thus leads to altered amygdala activity and emotional-blunting effects.
Hunting as social and neural conditioning
Killing wild animals requires a mental switching-off of biologically ingrained inhibitions. Without social and cognitive modulation, the amygdala would be programmed to interpret cries of pain, escape behaviour or distress reactions of other beings as relevant signals. For recreational hunting to function as a leisure activity, this empathic impulse must be overridden.
This happens through cultural narratives (“conservation”, “necessity”, “nature protection”), through habitual exposure and through group rituals that emotionally relieve the burden of killing. Neuroscience shows that such cognitive reframing pushes structures like the amygdala, the insular cortex and the prefrontal cortex into a pattern of reappraisal: in the brain, the animal is represented less as a sentient individual and more as a target object.
The myth of the “innate hunting instinct”
Neuroscientifically, no innate urge to kill can be demonstrated. Earlier theories about the “hunting nature of humans” are outdated, both evolutionarily and neurobiologically. In times of climatic hardship, humans were opportunistic omnivores whose survival historically depended more on cooperation, tool use and group organisation than on individual killing. Unlike predators, humans do not have a physiology that would suggest they were regular meat-eaters.
In this context, the amygdala does not serve as an “aggression engine”, but as an early warning system and socio-emotional sensor. The fact that modern recreational hunters perceive violence as legitimate, exciting or relaxing is an expression of cultural upbringing, not neurological origin.
Consequences for hunting ethics and public debate
If the amygdala naturally registers violence and suffering, then hunting practice is not a neutral craft but an intervention in fundamental emotional mechanisms. Repeated exposure to killing processes can, over time, dampen empathy processing — an effect that has also been documented in other contexts of violence.
The consequence: recreational hunting leaves wounds not only on the animal's body, but also acts upon the brains of those who practise it. The romanticised image of the “nature-connected huntsman” obscures these neuropsychological realities.
A contemporary approach to wild animals
Rather than overriding neural protective mechanisms through ever-new justifications and traditions, a modern approach could acknowledge that wild animals are sentient individuals, and that their suffering leaves traces in the human brain — even if it is suppressed in the long run.
The amygdala reminds us that empathy is deeply anchored in evolution. Recreational hunting, however, requires suppressing this feeling.
The question that arises from this is less biological than moral: must a society in the 21st century really cling to a practice that requires neuropsychological desensitisation as a precondition?
Scientific bibliography:
Dugré, J. R., Potvin, S., & Turecki, G. (2025). The dark sides of the brain: A systematic review and meta-analysis of neural correlates of human aggression. Neuroscience & Biobehavioral Reviews.
Fritz, M., Pfabigan, D. M., & Lamm, C. (2023). Neurobiology of Aggression: Recent findings from structural and functional imaging. Current Psychiatry Reports.
Seidenbecher, T. et al. (2024). A case-control voxel- and surface-based morphometric study of amygdala volume in aggressive individuals. Brain Structure and Function.
Yildirim, B. O., & Derntl, B. (2019). Neural correlates of empathy deficits in violent offenders: Evidence from fMRI. Social Cognitive and Affective Neuroscience.
Decety, J., Chen, C., Harenski, C., & Kiehl, K. A. (2017). Psychopathy and reduced amygdala response to others' pain: A neuroimaging investigation. Journal of Abnormal Psychology.
Fitzgerald, D. A. et al. (2020). Violence exposure and neural desensitization: Amygdala and insula responses under repeated affective stimuli. NeuroImage.
Anderson, N. E., Harenski, C. L., & Kiehl, K. A. (2018). Neural consequences of killing in combat: Amygdala modulation and emotional blunting. Neuropsychologia.
Porcelli, A. J. et al. (2022). Neural processing of emotional stimuli in slaughterhouse workers: Evidence for desensitization in limbic circuits. Psychoneuroendocrinology.
McNamee, R. L. et al. (2021). Affective numbing in high-violence occupations: Amygdala and insula attenuation during empathy tasks. Human Brain Mapping.
Bekoff, M., & Pierce, J. (2019). Empathy for animals and its neural substrates: A review of convergent evidence. Animal Sentience.
More on the subject of recreational hunting: In the dossier Psychology of recreational hunting we put research, motives and social consequences into perspective. What the research says about this is shown by Hunting fact-checked: the state of research.
The position of IG Wild beim Wild: IG Wild beim Wild rejects recreational hunting. Our model is the canton of Geneva, which has managed without recreational hunting since 1974: without hunting seasons, without hunting dogs, without driven hunts, without high seats, without the animal cruelty and crime that go hand in hand with hunting season elsewhere. What has worked there for over fifty years disproves every position paper by JagdSchweiz. An association that bases its policy on claims it refutes in its own documents is not a professional organisation, but a factory for misinformation.
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