Sentence examples for happy facial expression from inspiring English sources
In humans, the happy facial expression is a pivotal reward cue.
In fact, they found, a happy facial expression appeared to compensate for relative unattractiveness.
Moreover, under OT treatment, eye gaze remained increased when the face showed a happy facial expression, but in contrast decreased when the face displayed an angry expression.
Just as this happy facial expression helps rid the body of stress, smiling can release tension on a cellular level as well, according to biochemist and artist Sondra Barrett.
The negative effect of video gaming on empathy has also been scientifically proven; Dr. Gary Small at UCLA has shown using MRI brain scans that young adults were able to identify happy faces faster than angry faces, but playing a violent video game before the facial recognition experiments made them much slower in recognizing happy facial expression.
Our results show a trend of happy facial expression separating from neutral and fearful expressions early (Table 2).
Positive social cues, like happy facial expressions, activate the brain's reward system and indicate interest in social affiliation.
During each session, functional brain images centered about the amygdala were acquired continuously while participants were shown alternating blocks of fearful, neutral and happy facial expressions.
Happy facial expressions activate the brain's reward system and are disregarded by subjects scoring high on depressive mood who are low in reward drive.
The results demonstrate an increase of negatively-valenced facial responses (corrugator and depressor) to happy facial expressions after naltrexone compared to placebo, consistent with lowered interest in social interaction or affiliation.
More importantly, both the levels of cortisol and depressive mood were inversely related to the memory performance for the happy facial expressions, while a similar relationship between cortisol and memory performance on angry faces neared significance.
