From the 1920s to the 1950s, behavioral psychology dominated much of psychological thought, but the cognitive revolution of the 1950s revealed cracks in the theories of the radical behaviorists, and cognitive psychology eventually managed to gain the upper hand.
The heavyweight division in mixed martial arts (MMA) generally groups fighters between 205 and 265 lb (93 and 120 kg). Although many ambiguities exist within the lower weight classes regarding division naming and weight limits, the Heavyweight division is, for the most part, uniform.
(wÄlâ²tÉr-wÄtâ²) n. 1. A weight division in professional boxing having an upper limit of 147 pounds (66.1 kilograms), between junior welterweight and junior middleweight. 2. A boxer competing in this weight division. 3. A contestant in various other sports in a similar weight division.