Brain-Imaging Studies Hampered by Small Data Sets, Study Finds - The New York Times

Researchers have long used imaging technology to try to understand mental-health ailments. But with relatively few participants, such studies may not be producing valid findings.

But the Nature paper demonstrates that the data drawn from just two dozen subjects is generally insufficient to be reliable and can in fact yield massively inflated findings, Dr. Dosenbach said. For… [+1176 chars]

full article...