This doesn't surprise me at all. I know lots of people with disabilities who use video games as "therapy." Laptops are great, too. Note again that the survey was commissioned by casual game maker PopCap, who stands to benefit from this information.

Survey: 'Disabled Gamers' Comprise 20% of Casual Video Games Audience

More Than 10% Have Had Casual Games Prescribed or Recommended By A Doctor; Players With Disabilities Play Longer, More Often, And For Different Reasons  read more »