|Brain blood flow is the blood supply by network of blood nerves to the brain. It is also known as cerebral blood flow. Arteries supplies oxygenated blood, nutrients and glucose to brain whereas veins remove lactic acid, metabolic products and carbon dioxide by carrying deoxygenated blood back to the heart.The open access journals are peer reviewed scholarly journals of Automatic Control of Physiological State and Function. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in SCOPUS, COPERNICUS, CAS, EBSCO and ISI.