Participants in the Singularity Summit 2011 workshops held on October 17-18 brainstormed a list of cognitive enhancement methods they would like to see tested — some of them for the first time, many of them more thoroughly than has been done so far. Here is that list:

• rationality instruction
• potassium and nutrients/micronutrients in general
• modafinil and its class
• racetam class, adderall, riatlin
• paleo and other popular diets
• multigenerational embryo selection
• particular TMS interventions
• doing math or logic problems every day
• amount of sleep 
• neurofeedback; EEG, etc.
• physical health, specific types of exercise, yoga
• more red blood cells
• certain types of electrical stimulation
• spaced repetition
• practicing visualization
• practicing chess and Go
• dual n-back training
• prolonged sensory deprivation
• experience manipulating physical objects (craftsmanship and engineering)
• listening to music actively (and engaging with other art forms actively)
• using specific visual languages for specific tasks
• happiness in general (gratitude, etc.)
• changing the oxygen content of what you're breathing
• gene expression levels
• operant conditioning
• irradiation or administration of other toxins
• lucid dreaming
• GHB
• intermittent fasting
• creatine
• nicotine, caffeine
• arterial glucose drip to get more sugar to the brain
• Ekman training
• steroids