Social Engineering Blogs

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The Humintell Blog January 19, 2012

New Facial Expression of Emotion?

HealthCanal.com purports that new research suggests that there is a facial expression for anxiety.

Published in the Journal of Personality and Social Psychology, the study focused on the facial expression of the emotion of anxiety and claims to have found the facial characteristics that are connected to the display of that emotion.

The research, conducted by the Institute of Psychiatry (IoP) at King’s College London, was not clear if they were going to try to conduct additional research to see if this could be considered a universal facial expression.  It is clear though that further research needs to to be undertaken before any concrete assertions are confirmed.

What are your thoughts on a facial expression for anxiety?

Lead author of the study Dr. Adam Perkins affirms that many animal studies link anxiety to risk assessment behavior, suggesting anxiety can be explained as a defensive adaptation. We wanted to see if this was also the case in humans.’

In the study facial expression images were correctly matched in 89% of emotive scenario presentations on average. The facial expression generated in response to an ambiguous threat scenario was correctly matched to ambiguously threatening scenarios in 90% of scenario presentations.

The IoP researchers delineated scenarios that elicited standard emotions, such as happiness, sadness, anger, disgust and surprise to a group of participants.  Then they described scenarios containing ambiguous threats, which are known to elicit risk assessment and anxiety in rodents.

The study’s findings seemed a bit vague.  They suggest that, “anxious facial expression appears to have both functional and social components – its characteristics help assess our surrounding environment, and communicate to others our emotional state.” However, that same definition can be said of the seven universal facial expressions of emotion along with specified FACS characteristics.

What do the researchers feel are the immediate benefits of this study?

Well, Dr. Perkins states, “We hope our findings will in due course help doctors more effectively diagnose anxiety in their patients.  We also think the findings may also help security personnel identify individuals engaged in wrongdoing by means of their anxious, risk assessing facial expression.”

To see  short facial expression video click here and scroll down.

Filed Under: Nonverbal Behavior, Science

The Humintell Blog January 12, 2012

Facial Expressions: The Emotional, Fascinating World of Sports

Something to bring a smile to your face in 2012

Photos By Zack Pumerantz Courtesy of Bleacherreport.com

(Click here to link to a slide show)

*Note from Dr. Matsumoto: It’s important to realize that while the picture above may bring a smile to your face, it is most likely not a genuine picture of emotion. Expressive behaviors such as the one above are likely recruited to facilitate goal-directed behaviors that require exertion, and thus are not necessarily emotional reactions. They could be emotion-like or close to it, but they’re probably not emotions per se.

Filed Under: Nonverbal Behavior, Science

The Humintell Blog January 8, 2012

Left Vs Right: The Complexity of the Brain

New research is shedding light on how the left analytical and right creative hemispheres of the human brain work together in processing our visual world.

The fascination of how the brain process objective information is not new to the scientific scene.  Many TV shows such as Lie to Me and court drama series have been zeroing in on this via micro facial expressions of emotion and body language.

Assistant professor in the Department of Psychological and Brain Sciences at Dartmouth College, Ming Meng has come up with some interesting findings in regards to the brain’s organization of these two categories and the possible role they play in autism.

Meng uses functional magnetic resonance imaging (fMRI), computer vision, and psychophysics to delve into the function of the brain and the processes of our visual world.

EurekaAlert.com commented on Meng and his colleague’s reserach, which was published on January 4th in the Proceedings of Royal Society B (online edition).  Meng’s research focused on how the brain is organized to process visual information particularly the human face.

“We needed to study the full spectrum; the stimuli that make an image look like a face but not necessarily a face. These results would show the subtle differences between the left and right side of the brain as they dealt with this range of images.” Meng noted.  Looking at how the brain processes faces is Meng’s key to unlocking the mysteries of the left brain/right brain paradigm.

The findings of his study as well as similar studies on the face shed light into the complex world of autism, people with face processing deficits, which also make understanding and recognizing emotions difficult.  Meng posits that the reason for social interaction problems especially among autistic children could be a problem with face perception.

“Our results suggest the left side of the brain is processing the external physical input which resolves into a ‘grey scale’ while the right brain is underlying the final decision of whether or not it is a face.”

What are your thoughts on this study?  Do you think it is compounding upon new information or just restating old facts?

Filed Under: Deception, Nonverbal Behavior, Science

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