They also were unable to determine whether factors that reflect brain maturation could account for at least some of the association between education and dementia (as suggested by the brain reserve hypothesis), because they lacked data on childhood IQ, socioeconomic status of parents, or maximal brain volume, the authors added.
| The study was supported by the Alzheimer Association, the Aging Program of the Academy of Finland, and EVO-grants of Kuopio University Hospital, Finland. The reported that they had no conflicts of interest. |
