Grumpy Old Geeks Topics Cognitive training Topic Cognitive training 2 mentions in 1 episode Activities and tools the hosts discuss for exercising mental skills. Mentions 45: Quantified Non-Ferrous Mind Boner Feb 17, 2014 1:05:04 I want to come back to your Lumosity bit. 1:07:56 let's both do a little research and see if we can find some good stuff out there