marginally significantp = 0.08
The relation between sleep quality and task risk taking was marginally significant ( r (56) = 0.24, p = 0.08), supporting the idea that poor sleep increases risky behavior. 2.5. fMRI data acquisition Scanning was performed using a 32-channel head coil on a 3-Tesla Siemens Trio MRI machine at the UCLA Center for Cognitive Neuroscience.