In 2014, Chronic cannabidiol treatment improves social and object recognition in double transgenic APPswe/PS1∆E9 mice
BACKGROUND: The non-psychoactive phytocannabinoid cannabidiol (CBD) exerts neuroprotective, anti-oxidant and anti-inflammatory effects and promotes neurogenesis. CBD also reverses Aβ-induced spatial memory deficits in rodents.
You can read the full article here => http://link.springer.com/article/10.1007%2Fs00213-014-3478-5