Adult 1 Article 1 Back Pain 1 Brain 1 Chronic Pain 1 Connectome 1 Female 1 Head Movements 1 Humans 1 Magnetic Resonance Imaging 1 Male 1 Middle Aged 1 adult 1 backache 1 brain 1 chronic pain 1 connectome 1 controlled study 1 diagnostic imaging 1 dissimilarity 1 fMRI 1 female 1 functional connectivity 1 functional magnetic resonance imaging 1 group quality of control head movement 1 human 1 major clinical study 1 male 1 middle aged 1