A new study says dogs trained with negative reinforcement may have worse long and short-term mental health than dogs trained with positive reinforcement. (Paul Henderson/File Photo)

A new study says dogs trained with negative reinforcement may have worse long and short-term mental health than dogs trained with positive reinforcement. (Paul Henderson/File Photo)

Yelling at your dog might hurt its long-term mental health: study

Researchers find dogs trained using negative reinforcement are more ‘pessimistic’

Yelling at your dog can have negative impacts on its long-term and short-term mental health, according to a new study.

A group of European researchers set out to learn the short and long-term impacts of dog training using negative reinforcement (aversive-based methods) and positive reinforcement or reward-based methods.

READ ALSO: Greater Victoria dog trainer recognized by BC SPCA for humane standards

The study used 92 dogs from three reward-based training schools and four aversive-based training schools and conducted a “short-term welfare assessment” in which training sessions were video recorded and saliva samples were collected both at home and after a training session.

The videos were assessed for stress-related behaviours – which according to the study include lip licking and yawning – and overall behavioural states. The saliva samples were tested for cortisol concentration.

According to researchers, dogs from aversive training groups displayed more stress-related, tense behaviour and body language. These dogs’ saliva samples also contained high elevation of cortisol after training.

In order to test long-term impacts, researchers had the dogs perform a cognitive task – in this case, finding a bowl that were in some cases baited with a sausage and in others just rubbed with the sausage. With certain locations associated with the bowl containing a sausage, and others associated with the bowl being empty. The time it took for the dogs to find the bowl was recorded. A final test with an empty bowl in the centre of the two locations determined how hopeful the dogs would be that the bowl would contain the treat.

READ ALSO: WATCH: BC Guide Dogs needs puppy training volunteers

The study reads: “Dogs from group Aversive displayed a more ‘pessimistic’ judgment of the ‘middle’ ambiguous test location in the cognitive bias task, revealing less positive underlying affective states.”

Researchers also found that dogs who were trained with positive reinforcement learned the cognitive task faster than the other groups.

“Critically, our study points to the fact that the welfare of companion dogs trained with aversive-based methods appears to be at risk.”

Like us on Facebook and follow us on Twitter.

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

Volunteers decorate the Alberni Valley Hospice Society on Saturday, Nov. 28. (ELENA RARDON / ALBERNI VALLEY NEWS)
Alberni Valley Hospice Society lights up for holidays

New event is a fundraiser for society that runs Ty Watson House hospice and other programs

A sign at the entrance to Ty-Histanis asks visitors to stay out of the community during the COVID-19 pandemic. (Andrew Bailey photo)
Nuu-chah-nulth nations on Vancouver Island hit hard by COVID-19

Eight nations dealing with positive tests, hospitalizations and death

Tseshaht Market is located on Highway 4 west of Port Alberni. (GOOGLE MAPS)
Tseshaht First Nation condemns actions of abusive customer

Customer objected to Tseshaht Market’s COVID-19 protection policy

A lightning strike destroyed a radio repeater on Porter Mountain, shutting down the Ministry of Transportation and infrastructure’s highway cam at Sutton Pass. (BC Transportation and Infrastructure photo)
Lightning strike shuts down camera on Tofino-Ucluelet highway

“One of our radio repeater sites was recently struck by lightning.”

A B.C. Ambulance Service paramedic wearing a face mask to curb the spread of COVID-19 moves a stretcher outside an ambulance at Royal Columbia Hospital, in New Westminster, B.C., on Sunday, November 29, 2020. THE CANADIAN PRESS/Darryl Dyck
B.C. records deadliest weekend of COVID-19 pandemic with 46 deaths; more than 2,300 cases

Provincial health officer Dr. Bonnie Henry provides COVID-19 update

MLA Jennifer Whiteside is also the minister of education. She is speaking out against Chilliwack school trustee Barry Neufeld and asking him to resign. (Black Press)
New education minister calls on Chilliwack trustee to resign

Whiteside echoes former minister’s promise to look at options to remove Barry Neufeld

Peter Beckett. ~ File photo
Supreme Court of Canada to decide if it will hear appeal in 2010 wife murder trial

Peter Beckett has stood trial twice for murder in connection with the death of his wife, Laura Letts-Beckett

Tabor Home in Abbotsford. (Ben Lypka/Abbotsford News)
B.C.’s largest COVID-19 care-home outbreak records 19 deaths, 147 cases

Tabor Home in Abbotsford has been battling outbreak since Nov. 4

Ash and Lisa Van carry a freshly cut Christmas tree while wearing personal protective masks at a Christmas Tree Farm in Egbert, Ontario, Sunday, Nov. 29, 2020 THE CANADIAN PRESS/ Cole Burston
‘Everyone wants a tree and they want it now’: Christmas tree sales on pace for record

Anticipated demand for Christmas trees has sparked a rush by some to purchase more trees wholesale

Cannabis bought in British Columbia (Ashley Wadhwani/Black Press Media)
Is it time to start thinking about greener ways to package cannabis?

Packaging suppliers are still figuring eco-friendly and affordable packaging options that fit the mandates of Cannabis Regulations

Business groups have been advocating for years that local approvals for construction in B.C. are too long and restricted, and that B.C.’s outdates sales tax deter business investment. (Black Press Media file photo)
B.C. residents worried about COVID-19 deficit, business survey finds

Respondents support faster local approvals, value added tax

The first of two earthquakes near Alaska on the morning of Tuesday, Dec. 1, 2020, is shown in blue. (USGS)
No tsunami risk after two earthquakes near Alaska

Both earthquakes hit near the U.S. state on Dec. 1

The CVRD will reconsider its policies on fireworks after receiving complaints. (File photo)
Cowichan Valley Regional District considers options for fireworks after complaints

Distict only allows fireworks on Halloween and New Year’s Eve, with a permit

Most Read