A new MRI subject position to explore simultaneous BOLD oscillations of the brain and the body.

Background: Anatomically and physiologically, there is strong relationship between the brain and body. A new MRI platform covering both the brain and the limb would be beneficial for a more thorough understanding of the brain-body interactions.

New Method: A new arm-over-head (AOH) position was developed to collect MRI of the brain and one arm simultaneously.

Volitional eyes opening perturbs brain dynamics and functional connectivity regardless of light input.

The act of opening (or closing) one's eyes has long been demonstrated to impact on brain function. However, the eyes open condition is usually accompanied by visual input, and this effect may have been a significant confounding factor in previous studies. To clarify this situation, we extended the traditional eyes open/closed study to a two-factor balanced, repeated measures resting state fMRI (rs-fMRI) experiment, in which light on/off was also included as a factor.