Navigation Links
Dogs recognize familiar faces from images
Date:12/18/2013

Humans have specific brain mechanisms involved in face processing, which focuses attention to faces and recognizes the identity of faces remarkably quickly and accurately. So far the specialized skill for recognizing facial features holistically has been assumed to be a quality that only humans and possibly primates possess. Although it's well known, that faces and eye contact play an important role in the communication between dogs and humans, this was the first study, where facial recognition of dogs was investigated with eye movement tracking.

Main focus on spontaneous behavior of dogs

Typically animals' ability to discriminate different individuals has been studied by training the animals to discriminate photographs of familiar and strange individuals. The researchers, led by Professor Outi Vainio at the University of Helsinki, tested dogs' spontaneous behavior towards images if the dogs are not trained to recognize faces are they able to see faces in the images and do they naturally look at familiar and strange faces differently?

"Dogs were trained to lie still during the image presentation and to perform the task independently. Dogs seemed to experience the task rewarding, because they were very eager to participate" says professor Vainio. Dogs' eye movements were measured while they watched facial images of familiar humans and dogs (e.g. dog's owner and another dog from the same family) being displayed on the computer screen. As a comparison, the dogs were shown facial images from dogs and humans that the dogs had never met.

Dogs preferred faces of familiar conspecifics

The results indicate that dogs were able to perceive faces in the images. Dogs looked at images of dogs longer than images of humans, regardless of the familiarity of the faces presented in the images. This corresponds to a previous study by Professor Vainio's research group, where it was found that dogs prefer viewing conspecific faces over human faces.

Dogs fixed their gaze more often on familiar faces and eyes rather than strange ones, i.e. dogs scanned familiar faces more thoroughly.

In addition, part of the images was presented in inverted forms i.e. upside-down. The inverted faces were presented because their physical properties correspond to normal upright facial images e.g. same colors, contrasts, shapes. It's known that the human brain process upside-down images in a different way than normal facial images. Thus far, it had not been studied how dogs gaze at inverted or familiar faces. Dogs viewed upright faces as long as inverted faces, but they gazed more at the eye area of upright faces, just like humans.


'/>"/>

Contact: Outi Vainio
outi.vainio@helsinki.fi
358-919-157-316
University of Helsinki
Source:Eurekalert  

Related medicine news :

1. Young investigators recognized for research excellence at Sao Paolo meeting
2. San Diego Physician to be Recognized at White House for Progress in Health IT
3. HCRI Recognized as Center of Innovation for Stuttering Therapy
4. Performance Mobility Recognized for Exceptional Customer Satisfaction
5. Healthcare researchers recognized at SingHealth Duke-NUS Scientific Congress 2012
6. Leading cancer specialists from Europe and beyond recognized at ESMO 2012
7. Many Heart Attacks May Go Unrecognized in Seniors
8. More Patients With Irregular Heartbeat Recognize Stroke Risk: Survey
9. Wayne State University researcher recognized by American Psychological Association
10. Sex matters: Guys recognize cars and women recognize birds best
11. New policies recognize needs of vulnerable sexual communities
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Dogs recognize familiar faces from images
(Date:5/26/2016)... Pittsburgh, PA (PRWEB) , ... May 26, 2016 ... ... transplantation, and one that has a significant negative impact on long-term patient survival, ... to date. The results, published online this week in the Journal of Thoracic ...
(Date:5/26/2016)... ... May 26, 2016 , ... Dr. James ... Fighting Blindness, Long Island Chapter on June 4, 2016, 1:30-3:30 pm at the ... founder of Retina Group of New York , is a Board Certified ...
(Date:5/26/2016)... ... May 26, 2016 , ... Leadership of Life ... announced the organization has earned its ISO 13485 certification, indicating the company’s quality ... all rules and policies associated with ISO quality standard 13485. , BSI ...
(Date:5/26/2016)... (PRWEB) , ... May 26, 2016 , ... ... offering campers a multitude of activities from daily practices, arts & crafts, discussions, ... Camp Directors Amber East-D’Anna and Christy Evans have combined backgrounds in kids’ yoga, ...
(Date:5/26/2016)... ... May 26, 2016 , ... Power Systems, a leading developer ... Instructor Certification Course in Stoughton, Massachusetts. The course was led by Power Systems’ ... 8 hour interactive course to qualify participants as certified PowerWave trainers. , ...
Breaking Medicine News(10 mins):
(Date:5/25/2016)... 25, 2016 ReportsnReports.com adds ... report that provides an overview on therapeutic pipeline ... various stages, therapeutics assessment by drug target, mechanism ... molecule type, along with latest updates, and featured ... players involved in the therapeutic development for Chronic ...
(Date:5/24/2016)... 2016   , Study ... overall bowel cleansing and superiority in , ... of the ascending colon ... Norgine B.V. today announced new positive data from the ... bowel preparation) versus standard 2 litre PEG with ascorbate. The study ...
(Date:5/24/2016)... , May 24, 2016 Celsion ... drug development company, today provided an update on ... escalating clinical trial combining GEN-1, the Company,s DNA-based ... treatment of newly-diagnosed patients with advanced ovarian cancer ... debulking surgery.  GEN-1 is an IL-12 DNA plasmid ...
Breaking Medicine Technology: