Healthy Participants and Participants with Prefrontal Cortex Damage Played a Gambling

Healthy participants and participants with prefrontal cortex damage played a gambling game in which they selected cards from one of four decks. Two of the decks were associated with large wins and large losses (riskier) , and the other two decks were associated with small wins and small losses (safer) . At the beginning of the game, all participants chose cards from the four decks equally. With extended play, the healthy participants chose more cards from the _____, whereas the participants with prefrontal cortex damage chose cards from _____.

A) safer decks; the riskier decks
B) safer decks; both sets of decks equally
C) riskier deck; the safer decks
D) riskier deck; both sets of decks equally