Visual Abstract (IMAGE)
Caption
Norihiro Sadato and colleagues used a technique called hyperscanning functional magnetic resonance (fMRI) imaging to observe two people as they gazed into their partner's eyes. A video camera and screen in each person's fMRI scanner allowed the researchers to compare brain activity during this social task in real-time or with a 20-second delay.
Credit
Koike et al., <em>eNeuro</em> (2019)
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