Game #13 · Brain & Foraging

The Scent Trail

Stimulates their natural tracking ability and provides deep mental exhaustion.

What you need:
A strong-smelling treat (like hot dog slices) or a smelly toy.

How to play

  1. Put your dog in another room so they cannot watch you.
  2. Rub the treat or toy along the floor to create a continuous path.
  3. Hide the main prize at the very end of the line.
  4. Bring your dog to the start point and tell them to "find it."

Coach's notes

  • Start with a 3-meter trail; extend by 2 meters each success.
  • Add turns before you add distance — corners are harder than length.
  • Cross the trail over itself for advanced dogs (real tracking work).
  • Ten minutes of trailing = a 60-minute walk's worth of tired.

If your dog loses interest

Quick fixes when engagement drops mid-session.

  • Trail gone cold? Shorten it to 4–5 feet and let them see you drop the last treat.
  • If they follow with their eyes instead of nose, hide the treats behind chair legs so they must scent-search.
  • High-value smelly food (liver, cheese) works far better than kibble for first-time scent work.

Why it works

Scent work engages roughly one-eighth of a dog's brain — the olfactory bulb — and Horowitz's research shows it produces measurably calmer post-activity behavior.

References

  1. [4] Duranton, C., & Horowitz, A. (2019). Let me sniff! Nosework induces positive judgment bias in pet dogs. Applied Animal Behaviour Science 211, 61–66.
  2. [5] Horowitz, A. (2016). Being a Dog: Following the Dog into a World of Smell. Scribner.

Which cognitive muscle is your dog's strongest?

Run the same science-based tasks from Duke in your living room and get your dog's full cognitive profile.

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