Weak with laughter.
We found a marked reduction of H-reflex amplitude during laughter, suggesting that motor inhibition may underlie the feeling of being "weak with laughter". This effect may have a role in cataplexy, which is preferentially elicited by laughter.
Overeem
S
S
Lammers
G J
GJ
van Dijk
J G
JG
D002385:Cataplexy / Q000209:etiology* / Q000503:physiopathology; D006181:H-Reflex / Q000502:physiology*; D006801:Humans; D007845:Laughter / Q000502:physiology*; D009046:Motor Neurons / Q000502:physiology