Enrichment science provides evidence-based guidance on how to improve dog welfare through environmental complexity, social opportunities, and cognitive challenges.
Dog enrichment science has moved beyond simple toy provision to a nuanced understanding of how different environmental inputs satisfy different behavioral needs. Cognitive enrichment through puzzle feeders and training engages problem-solving capacities and creates opportunities for positive learning experiences. Olfactory enrichment through nose work, tracking, and scent games taps the most developed sensory system dogs possess and generates visible positive emotional states. Social enrichment through appropriate interaction with humans and other dogs is essential for social species. The timing and unpredictability of enrichment matters — predictable enrichment habituates and loses impact while variable schedules maintain engagement. Shelter dogs, elderly dogs, and dogs with mobility limitations especially benefit from enrichment adapted to their specific capabilities and preferences.