The<unk> , also known as the Treppe phenomenon and the Treppe effect, is an autoregulation method by which myocardial tension increases with an increase in heart rate. It was first observed by Henry Pickering<unk>  in 1871.
Bowditch effect
Bouba/kiki effect
Baskerville effect
Windkessel effect
Eagle effect
Martha Mitchell effect
Bystander effect 
Ceiling effect 