Entries by admin

Larger sample sizes needed to increase reproducibility in neuroscience studies

CHAMPAIGN, Ill. — Small sample sizes in studies using functional MRI to investigate brain connectivity and function are common in neuroscience, despite years of warnings that such studies likely lack sufficient statistical power. A new analysis reveals that task-based fMRI experiments involving typical sample sizes of about 30 participants are only modestly replicable. This means […]

Decision-making is shaped by individual differences in the functional brain connectome

CHAMPAIGN, Ill. — Each day brings with it a host of decisions to be made, and each person approaches those decisions differently. A new study by University of Illinois researchers found that these individual differences are associated with variation in specific brain networks – particularly those related to executive, social and perceptual processes. Click here […]

The science of intelligence

  Aron K. Barbey, professor of psychology, neuroscience, and bioengineering, is director of the Decision Neuroscience Laboratory, leader of the Intelligence, Learning, and Plasticity Initiative, the Emanuel Donchin Professorial Scholar in Psychology, and a member of the Beckman Institute for Advanced Science and Technology. In short, since arriving at Illinois almost seven years ago, he’s […]

Flexibility is at the heart of human intelligence

  CHAMPAIGN, Ill. — Centuries of study have yielded many theories about how the brain gives rise to human intelligence. Some neuroscientists think intelligence springs from a single region or neural network. Others argue that metabolism or the efficiency with which brain cells make use of essential resources are key. A new theory, published in […]