Your hand-brain connection will need some debugging, but just like with engineering, exposure and practice makes you better:
1. draw, the more the better.
2. practice fundamentals.
3. have fun.
Some resources worth checking out: - Lessons on drawabox.com for basics
- Digital painting lessons on ctrlpaint.com
- How to draw by S. Robertson and T. Bertling
- Color and Light: A Guide for the Realist Painter
- Art & Fear: Observations On the Perils (and Rewards) of Artmaking
- Drawing on the Right Side of the Brain
- Picture this by Molly Bang
Consider joining Crimson daggers forum (http://crimsondaggers.com/). Good luck!