Mental Stimulation for Dogs: 21 Enrichment Ideas Checked Against the Research

Three claims we couldn’t back up

Which popular dog enrichment ideas does the research support?

Each idea gets a label. Supported means there is direct research behind it. Plausible means it is reasonable but has little hard data. Use with care means it is good with a caveat. Fix this means the common version can backfire.

• 1. The sniff walk

  Supported(for nosework)

  Let the dog lead, slowly, nose down. What was tested was nosework. In a 2019 study, 20 dogs spent two weeks doing either nosework (finding hidden treats) or heelwork (walking politely beside the owner). Afterwards the nosework dogs approached an ambiguous bowl faster than before, a standard laboratory sign of a more optimistic mood; the heelwork dogs did not change.[3] A free-sniffing walk uses the same sense but was not the activity tested.

• 2. The muffin-tin game

  Plausible

  Hide treats under tennis balls in a muffin tin and let the dog work out which to move. The game itself is untested, but its principle has support: in a study of 12 beagles, dogs that could reach a reward through their own actions showed more tail wagging and activity, while dogs given the same reward regardless showed signs of frustration.[4] Use balls too large to swallow.

• 3. “Barkour”: furniture as an obstacle course

  Use with care

  A home circuit can be fun. But a Norwegian study that followed about 500 puppies of four large and giant breeds found that puppies walking on stairs between birth and three months had a higher risk of hip dysplasia, while off-lead exercise in that period was linked with a lower risk.[5] It looked at stairs, not furniture; in our view, keep heights low and skip jumps for puppies. Ask your vet about seniors and joint problems.

• 4. “Search!” instead of “No!”

  Use with care

  Redirecting an over-excited dog to sniff out scattered food is a well-known trainer technique. The catch, in our view: if it always happens after barking at the window, some dogs may learn that barking makes the treats rain. Where you can, use it before the trigger.

• 5. Dog TV and the window seat

  Supported(for what dogs watch)

  A 2024 survey of 1,246 dog owners found that dogs engaged most with videos of other animals, especially other dogs, and owners often described excited reactions. These are owner reports, not measurements of benefit.[6] A bird feeder outside the window suits a relaxed dog but may add fuel for one that already barks at the window.

• 6. Cardboard chaos

  Use with care

  Shredding a box to reach a treat satisfies a real urge. Remove tape, staples and plastic, and supervise. Swallowing large amounts of cardboard may cause a blockage, so if your dog eats rather than tears, choose another game.

• 7. Vertical games on the stairs

  Use with care

  Treats on different steps add a spatial element. The furniture caveat applies more strongly: not for young puppies,[5] and not for dogs with joint or back problems. A raised mat the dog learns to go to is a gentler way to add height.

• 8. Learning toy names

  Fix this

  The research contradicts this one for most dogs. In a 2021 study, 34 ordinary family dogs had three months of training to learn two toy names, and only one passed the tests. Six dogs known to know many toy names all passed.[7] All six were Border Collies, but 18 of the ordinary dogs were too, and they did not learn. Treat it as a search game (“find it”), not a language test.

• 9. Kibble toss

  Plausible

  Scatter the measured meal instead of using the bowl. In our view it is foraging, it slows fast eaters and it costs nothing, though none of the studies we checked tested it. Take the portion from the daily ration and use clean ground. The snuffle-mat study suggests keeping it a choice rather than the only way to eat.[1]

• 10. The door “wait” game

  Plausible

  The door opens, and closes again if the dog bolts. It is good, safe manners training that takes concentration, but don’t count on it to tire the dog out.

• 11. The park-bench treat

  Plausible

  Pairing the sight of passers-by with a treat before the dog reacts is counter-conditioning, a standard behaviour-work technique, although none of the sources we checked tested it. The key is distance: if your dog is already staring, stiffening or barking, you are too close.

• 12. Scattering food for anxiety and fireworks

  Fix this

  In our view scattering food in the yard during fireworks is risky, because a frightened dog outdoors may try to escape. Dogs Trust advises walking before dark so the dog is indoors, checking doors, windows and fences, giving the dog a snug place to retreat to, and offering long-lasting treats or lick mats while letting the dog opt out. It also advises seeing your vet if your dog shows signs of fireworks fear.[8]

What less common enrichment ideas have evidence behind them?

Each rests on published research, though much of it was done in kennels or small groups, so treat the results as hints, not guarantees.

• 13. The scent letter

  Bring the world home: put leaves from a different park in a paper bag and let your dog read it. In a shelter study of 55 dogs, lavender and chamomile were followed by more resting and less moving and vocalising, while peppermint and rosemary were followed by more standing, moving and vocalising.[9] That study diffused essential oils; at home, stick to natural objects and leave concentrated oils alone unless your vet says otherwise.

• 14. The audiobook afternoon

  In a rehoming centre, 31 dogs heard an audiobook, classical music, pop music, dog-specific music or silence. Dogs rested more during the audiobook than in any other condition, and barked less than during the music.[10] That was one book in kennelled dogs, so it is a hint; a calm voice may be worth trying for a dog home alone.

• 15. Rotate the playlist

  In an earlier study, the effects of playing only classical music to kennelled dogs were gone by day seven. In a follow-up with 38 dogs and five genres over five days, the changes stayed constant, which the authors read as a sign that variety may reduce habituation. Soft rock and reggae gave the largest rise in heart-rate variability, a marker of lower stress, though the picture was mixed: cortisol was higher during soft rock.[11]

• 16. The toy library

  Given a choice, dogs went to the unfamiliar toy first in 38 of 50 tests, or 76%.[12] In a separate study, kennelled Labradors lost interest in a toy after about five 30-second sessions.[13] Neither study tested keeping a toy away for days or weeks, so in our view the practical step is to put most toys away and rotate two or three at a time.

• 17. Let the dog choose the route

  At each junction, stop and let your dog pick the direction, within safe limits. The beagle study found that dogs reacted emotionally to problem-solving opportunities;[4] route choice was not tested. In our view, a walk with many small decisions gives the brain more to do than the same loop followed behind you.

• 18. Copy me

  In the “Do As I Do” method, the dog first learns a cue meaning “copy what I just did”, then copies actions the owner demonstrates. Compared with shaping (clicker training), it was more effective for teaching object-related actions within a relatively short time.[14] In our view it is worth trying with a trainer’s help.

• 19. Learn, then rest

  Here is one that asks you to do less. In a 2017 study, 53 dogs learned commands and then spent an hour sleeping, walking, learning new commands or playing with a toy. A week later, the dogs that had slept, walked or played all did better than at the start. Those that spent the hour on new commands did not improve.[15] In our view, keep sessions short and let the dog rest or stroll afterwards.

• 20. Videos with dogs in them

  If you use a screen at all, choose what dogs engage with: other animals, above all other dogs.[6] Some dogs get calmer; others get excited or frustrated by a dog they can’t reach, so turn it off for those.

• 21. The grey-muzzle club

  In a two-year study of ageing beagles, dogs given both behavioural enrichment and an antioxidant-fortified diet learned more accurately than the other aged groups, and the combination worked better than either alone.[16] Discuss diet with your vet: the study used a specific fortified food, and one author worked for the company that sells it.

What safety checks do most dog enrichment lists skip?

Check the peanut butter. Some peanut and nut butters contain xylitol, which can cause a dangerous drop in a dog’s blood sugar. Signs can appear within 10 to 60 minutes, and in some cases may not appear for up to 12 to 24 hours. On labels it may also appear as “birch sugar” or “wood sugar”.[17] Read the ingredients every time you buy a new jar.

Count the treats. Food used in games is still food. Take it from the daily ration.

Mind the joints. Puppies, giant breeds, seniors and dogs with orthopaedic problems should avoid jumping and repeated stair climbing.[5]

Watch, then adjust. A good game ends with a relaxed dog. If yours ends with frantic digging, guarding, panting or barking, make it easier or shorter.

“Is this safe for my dog?”

Enrichment raises small questions all the time. Is this chew suitable for a puppy? What is in this treat? Many confident answers online are wrong.

Lares Pecoris answers only from verified veterinary sources and official product literature, and every answer shows the document it came from, which you can open and read. If the answer is not in a document, Lares says so instead of guessing. It does not replace your vet, but it can help you arrive at the vet with better questions.

Dog enrichment: frequently asked questions

Sources

1. Rothkoff L, Feng L, Byosiere S-E. Domestic pet dogs (Canis lupus familiaris) do not show a preference to contrafreeload, but are willing. Scientific Reports 2024. doi:10.1038/s41598-024-51663-x (open-access copy: PMC10789754).
2. Hagger MS, Chatzisarantis NLD, Alberts H, et al. A multilab preregistered replication of the ego-depletion effect. Perspectives on Psychological Science 2016. doi:10.1177/1745691616652873. Commentary by a researcher in the field (not a study): Inzlicht M, “The collapse of ego depletion”, 2025.
3. Duranton C, Horowitz A. Let me sniff! Nosework induces positive judgment bias in pet dogs. Applied Animal Behaviour Science 2019;211:61–66. doi:10.1016/j.applanim.2018.12.009. Secondary summary (source of the sample size): Companion Animal Psychology.
4. McGowan RTS, Rehn T, Norling Y, Keeling LJ. Positive affect and learning: exploring the “Eureka Effect” in dogs. Animal Cognition 2014. doi:10.1007/s10071-013-0688-x (PubMed 24096703).
5. Krontveit RI, Nødtvedt A, Sævik BK, Ropstad E, Trangerud C. Housing- and exercise-related risk factors associated with the development of hip dysplasia as determined by radiographic evaluation in a prospective cohort of Newfoundlands, Labrador Retrievers, Leonbergers, and Irish Wolfhounds in Norway. American Journal of Veterinary Research 2012. doi:10.2460/ajvr.73.6.838 (PubMed 22620698).
6. Donohue LK, Buesing M, Peterson KD, Ersoz C, Russell LJ, Mowat FM. Screen interaction behavior in companion dogs: results from a dog owner survey. Applied Animal Behaviour Science 2024;270:106151. doi:10.1016/j.applanim.2023.106151 (open-access copy: PMC10783809). Secondary summary: ScienceDaily.
7. Fugazza C, Dror S, Sommese A, Temesi A, Miklósi Á. Word learning dogs (Canis familiaris) provide an animal model for studying exceptional performance. Scientific Reports 2021. doi:10.1038/s41598-021-93581-2.
8. Dogs Trust. Fireworks are coming, prepare ahead (charity advice page, not a study).
9. Graham L, Wells DL, Hepper PG. The influence of olfactory stimulation on the behaviour of dogs housed in a rescue shelter. Applied Animal Behaviour Science 2005;91(1-2):143–153. doi:10.1016/j.applanim.2004.08.024; Queen’s University Belfast record. Findings as summarised by the Tufts Collaborative for Shelter Dogs (secondary summary; the original abstract was not read).
10. Brayley C, Montrose VT. The effects of audiobooks on the behaviour of dogs at a rehoming kennels. Applied Animal Behaviour Science 2016;174:111–115. doi:10.1016/j.applanim.2015.11.008. Secondary summary (source of the barking result): Companion Animal Psychology.
11. Bowman A, Dowell FJ, Evans NP. The effect of different genres of music on the stress levels of kennelled dogs. Physiology & Behavior 2017;171:207–215. doi:10.1016/j.physbeh.2017.01.024; PDF. The day-seven finding is from the same group’s earlier study (doi:10.1016/j.physbeh.2015.02.035), as described in this paper’s introduction.
12. Kaulfuß P, Mills DS. Neophilia in domestic dogs (Canis familiaris) and its implication for studies of dog cognition. Animal Cognition 2008;11(3):553–556. doi:10.1007/s10071-007-0128-x. Secondary summary: Psychology Today.
13. Pullen AJ, Merrill RJN, Bradshaw JWS. Habituation and dishabituation during object play in kennel-housed dogs. Animal Cognition 2012;15(6):1143–1150. doi:10.1007/s10071-012-0538-2. The “about five 30-second sessions” figure comes from the Psychology Today summary (secondary; the full paper was not accessible).
14. Fugazza C, Miklósi Á. Social learning in dog training: the effectiveness of the Do as I do method compared to shaping/clicker training. Applied Animal Behaviour Science 2015;171:146–151. doi:10.1016/j.applanim.2015.08.033 (abstract only).
15. Kis A, Szakadát S, Gácsi M, et al. The interrelated effect of sleep and learning in dogs (Canis familiaris): an EEG and behavioural study. Scientific Reports 2017;7:41873. doi:10.1038/srep41873.
16. Milgram NW, Head E, Zicker SC, et al. Learning ability in aged beagle dogs is preserved by behavioral enrichment and dietary fortification: a two-year longitudinal study. Neurobiology of Aging 2005. doi:10.1016/j.neurobiolaging.2004.02.014 (PubMed 15585348). Secondary summary (source of the funding and employment note): ScienceDaily.
17. US Food and Drug Administration. Paws Off Xylitol; It’s Dangerous for Dogs.