Switch to side-by-side view

--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-Abcd
\ No newline at end of file
+## About Dataset
+
+Brain image datasets are acquired using several imaging technologies, including magnetic resonance structural imaging and radionuclide functional imaging. In some cases datasets are gathered repeatedly over a time interval, in order to see how the brain changes, either by itself or in response to drug or surgical treatment.
\ No newline at end of file