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The Inappropriate Smile and Zygomatic Muscle Activity
- T. Azuma, A. Shimizu, +4 authors N. Sumitsuji
- Psychology, Medicine
- Perceptual and motor skills
- 1 April 2003
Long-term recording of activity of the zygomatic muscle, the most important mimic muscle involved in smiling, was performed in 22 disorganized type schizophrenic patients with inappropriate smiles… Expand
The elevation of natural killer cell activity induced by laughter in a crossover designed study.
- K. Takahashi, M. Iwase, +5 authors M. Takeda
- Biology, Medicine
- International journal of molecular medicine
- 1 December 2001
The elevation of natural killer cell activity (NKCA) by laughter was not confirmed due to incomplete methodology of previous studies although positive emotion is believed to be favorable for health.… Expand