Working memory and IQ

Nice article on the times today about brain training.

The authors quickly jump to working memory, and present recent experiments with subjects whose IQ scores increase with the amount of training they get in a dual n-back task. Another group of subjects, without training, did not improve their scores.

These results are interesting, but the authors correctly point out that the control condition is not appropriate to conclude in favor of the involvment of workng memory.

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