An equestrian hugging his horse. A surfer slumped over his board. A judoka raising her fists in jubilation while her opponent, prone on the mat, buries her face in her hands.

The Tokyo Olympics have focused attention on athletes’ mental health as never before, whether it is Japanese tennis player Naomi Osaka struggling to live up to the hopes of her home country or American gymnast Simone Biles saying she wasn’t in the right “headspace” to compete.