Mr Seo said that he expected Samsung's earnings to hit the 10tn won mark in the April to June quarter, boosted by GalaxyS4 sales as well as improving conditions in the memory chip market.

BBC: Samsung Electronics forecasts jump in quarterly profit

While self-help books on the brain tend to focus on improving memory or mood, "The Emotional Life of Your Brain, " written with science journalist Sharon Begley, a former Wall Street Journal reporter, makes the case that we can reprogram our brains to help shed negativity and lead a better and more productive life.

WSJ: Healthy Reader: The Emotional Life of Your Brain

Most recently, stiff competition and the rising cost of improving chips has made it even harder for surviving makers of dynamic random-access memory, the chips known as DRAMs that are used to store data in personal computers and server systems.

WSJ: Micron Tech CEO Dies in Plane Accident

For Merzenich, improving memory and cognition among older people is just the beginning.

FORBES: Sharp As A Tack

Alex Dodds is now recovering, although one of the side effects is short-term memory loss which is slowly improving.

BBC: Sheffield & South Yorkshire - Children's hospital: Your stories

The upgrade, he writes in a research note, reflects improving 2011 prospects for NAND flash memory demand, driven by tablets, smart phones and solid-state drives.

FORBES: SanDisk Rallies On Raymond James Upgrade; Bullish On NAND

The key: As you play, you're working on your memory, strategy, and spatial skills--all required for improving brain health--at the same time.

CNN: Helpful ways to boost your memory