Cognition

A general blanket statement referring to the abilities of the mind to pass tests put on it. Shares components of a lot of other cognitive phenomena, and not to be confused with Memory, Attention, or Anxiety.


Research analysis by and verified by the Examine.com Research Team. Last updated on Apr 29, 2017.

Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect cognition

Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
Rhodiola Rosea
All comparative evidence is now gathered in our ​A-to-Z Supplement Reference.
The evidence for each separate supplement is still freely available ​here.
D-Serine  
Ginkgo biloba  
L-Tyrosine  
Modafinil  
Panax ginseng  
Phosphatidylserine  
Glycine  
Green Tea Catechins  
Kava  
L-Carnitine  
Nicotine  
Nigella sativa  
Phenylpiracetam  
Pycnogenol  
Sceletium tortuosum  
Zinc  
Bacopa monnieri  
Black Cohosh  
Choline  
Cocoa Extract  
Dehydroepiandrosterone  
Marijuana  
Resveratrol  
Sarcosine  
Pramiracetam  
Pueraria lobata  
Piracetam  

Cite this page

"Cognition," Examine.com, published on 6 February 2013, last updated on 29 April 2017, https://examine.com/topics/cognition/