David Matsumoto
@davidmatsumoto
Director @humintell. Professor of Psychology @SFSU. 8th degree Judo Instructor. Interests: Emotion, Culture, and Nonverbal Behavior. Dad of 4.
Feelings are often associated with physical reactions: terror can send chills down your spine, and love can leave you weak in the knees. humintell.com/2016/12/mappin…

In this viral video notice the surprise/fear followed by an immediate face cover. People often cover their face to conceal their emotions and I believe it’s an immediate reaction that most people cannot control.
"Either they’re having an affair or they’re just very shy," said Coldplay's Chris Martin when cameras panned to a couple in the crowd. So, which was it? An affair or a shy couple? The internet has been discussing.
How Studying Behavior Can Be Used To Detect Threats humintell.com/2024/09/how-st…

Speaking at @EmotionIntell’s conference. Thanks for having me! #EI2025

When Words Aren’t Enough: Autistic Adults Navigate Nonverbal Challenges A new study reveals how autistic adults experience nonverbal communication as an intense, draining task of decoding facial expressions, gestures, and tone. Drawing from hundreds of personal accounts,…
An excellent place to start if you’re interested in improving your reading people skills!
⚡FLASH SALE⚡ Save 50% off any product! Use code FLASH at checkout. Hurry, this offer ends in less than 48 hours: humintell.com/products-3/
In today’s uncertain world, leaders must be prepared to guide their teams through crises. Success during challenging times isn’t about avoiding adversity, but rather facing it with the right mindset and approach. Read our latest blog post: humintell.com/2025/05/turnin…
What content would you like to see next from @Humintell?
Are #facialexpressions universal? Some research may suggest they are not. After a lot of deliberation, I have decided to addresses those issues in the blog below. Read now: humintell.com/2020/05/addres…

Looking forward to being in Manchester in July for @EmotionIntell’s conference! Register here: eiagroup.com/course/emotion…
Responsive Parenting Rewires Emotional Brains in Sensitive Babies About 20% of babies are born with a highly reactive temperament, making them more vulnerable to emotional difficulties later in life. A new study followed mother-infant pairs over the first year to examine how…
Learn to read subtle, partial and hidden facial expressions of emotion with @Humintell’s NEW training, SubX Enhanced. Save 50% off for 48 hours w/code EXCLUSIVE at checkout: humintell.com/product/subx-e…

I'm excited to announce the launch of new @Humintell courses: SubX Enhanced and Kid's MiX. View all our NEW products, EXCLUSIVE deals, and FREE offers at our annual Spring Sale: humintell.com/springsale2025/

Our Kid’s MiX course as well as our new SubX Enhanced Course launch next week at our annual Spring Sale 🌺! Make sure you’re subscribed to our mailing list and following us on social media @Humintell so you can be the first to know about our NEW products and EXCLUSIVE deals!