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Thunderstorm Phobia In Dogs—An Update

Phobias are excessive and irrational responses to stimuli that are dysfunctional and disruptive to normal functioning. Thunderstorm phobia is no exception. It is possible that genetic factors underlie a dog’s susceptibility to thunderstorm phobia as herding breeds are over-represented in canine storm phobia demographics. Certainly genetics contributes to human susceptibility to phobias, as studies show that identical phobias (e.g. fear of heights) develop in identical twins raised completely apart. That said, nurture plays an important role, too, in the sense that negative experiences can clearly trigger the development of phobias. Specifically, direct learning (personal experience) and observational learning (witnessing another fearful dog or person) may be involved and the negative experience so generated is enhanced when paired with (heralded by) a formerly neutral stimulus (e.g. flashing light/lightning). The clinical expression of thunderstorm phobia involves responses that are physical, emotional and physiological. Physical responses include attempts at escape (flight), finding a safe place, shadowing the owner or hiding. Affected dogs may also pace, pant and whine or bark. Emotional responses include the immeasurable in a dog—the subjective experience of terror. Physiological responses include activation of the autonomic and endocrine systems with resultant tachycardia, pupillary dilation, salivation, sweating …