It is the stimulation of the brain by its physical and social surroundings. Brains in richer, more stimulating environments have higher rates of synaptogenesis and more complex dendrite arbors, leading to increased brain activity.

so much literature is available on the web kindly go through

Thank you, I do know what EE is, I just need suggestions where to find the newest reviews and other research. Not sure PubMed covers all

Dear Petra Pohl,

Please have a look at this link and PDF attachment.

https://www.frontiersin.org/articles/10.3389/fnbeh.2018.00135/full

Good luck!

Thank you so much for this informative paper!

Dear Petra Pohl

Please also have a look at these useful links and PDF attachments.

https://www.animalsandsociety.org/human-animal-studies/jaaws/articles-on-environmental-enrichment/

Article Environmental Enrichment as a Positive Behavioral Interventi...

Article Environmental Enrichment Induces Changes in Long-Term Memory...

Article Environmental Enrichment in the Awareness of Zoo Visitors an...

Article Potential of Environmental Enrichment to Prevent Transgenera...

Article Environmental Enrichment for Indoor Cats

Chapter Environmental Enrichment

Article Benefits of environmental enrichment in animal welfare:a lit...

Article Environmental enrichment intervention for Rett syndrome: An ...

Article Anti-craving effects of environmental enrichment

Article How to Develop a Zoo-Based Environmental Enrichment Program:...

https://insight.jci.org/articles/view/90723

http://www.pnas.org/content/pnas/115/10/E2403.full.pdf

https://academic.oup.com/ilarjournal/article/58/2/295/3746523

https://www.tandfonline.com/doi/abs/10.1080/10888705.2017.1414606?src=recsys&journalCode=haaw20

http://jeb.biologists.org/content/jexbio/early/2018/01/09/jeb.176735.full.pdf

http://www.scielo.br/pdf/rbca/v19n2/1516-635X-rbca-19-02-00355.pdf

https://www.nature.com/articles/s41598-018-29625-x.pdf

https://pdfs.semanticscholar.org/5d5f/ff7dc971c5e11aac22fa37b42701be67b21a.pdf

https://www.biorxiv.org/content/biorxiv/early/2018/06/08/341206.full.pdf

Good luck!

Dear Dr Singh, Thank you again for your invaluable support, what an amazing list of literature! 👍🏻