David A. Leopold is in the Section on Cognitive Neurophysiology and Imaging, National Institute of Mental Health, Bethseda, Maryland 20814, USA. In the 1930s, the neurosurgeon Wilder Penfield ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.

Enhancing prefrontal cortex (PFC) cognitive functions requires identifying suitable exercises that increase cerebral blood flow. A recent study using functional near-infrared spectroscopy found that ...