Patients in coma will never open the eyes, even if stimulated by a loud noise or intense noxious stimulus, and will only show reflex movements.
Bolasie's shot from Scott Dann's assist reared up and David de Gea had to show his reflexes to get his fingertips to it.
"This is incredible!" one television announcer said of the move, which was a stunning show of reflexes and grit.
He met Luis Suarez's cross at the far post, only for Chelsea keeper Petr Cech to show brilliant reflexes to deflect his header on to the bar.
Chelsea keeper Petr Cech had to show quick reflexes to turn away Aguero's effort after he touched on Yaya Toure's shot and was also in action to turn away Carlos Tevez's angled effort at his near post.
Harper showed the reflexes of a mongoose, the lithe grace of a leopard – and the attitude of a feral guard dog, reacting as if Gooch was trespassing by leaving his crease.
He produced what will surely be one of the best Championship saves of the season - showing great reflexes to palm away a Roger Johnson effort and then somehow readjusting his body to keep out Ross McCormack's follow-up header.
David Marshall then showed sharp reflexes to repel Marouane Fellaini's header, a stop which proved crucial when Cardiff equalised.
At the other end, Boruc showed fine reflexes with a one-handed save to turn Brede Hangeland's header away for a corner midway through the first half.
Cech turned his free-kick over the top then showed quick reflexes to turn away a header from his own defender Azpilicueta.
The Spaniard once again showed great reflexes to make a one-handed save from Marcus Olsson, then turn Grant Hanley's header over from the resulting corner.
