Octa g and IQ-EQ-BioQ (Gx) Models of g By Mark Ashton Smith May 14, 2022 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Related Review of 2015-2020 Meta-Analyses and Randomized Controlled Trails on Brain Training for Improving Cognition »