Skip to main content

Table 1 Schedule of enrollment, interventions, and assessments

From: Transcranial direct current stimulation to modulate brain reactivity to food cues in overweight and obese adults: study protocol for a randomized controlled trial with fMRI (NeuroStim-Obesity)

    Baseline PrefMRI1 fMRI1 PostfMRI1 Intervention PrefMRI2 fMRI2 PostfMRI2
    ̴1 h ̴10 min ̴30 min ̴10min 30 min ̴10 min ̴30 min ̴25 min
Time point Measurement Mode T0 T1 T2 T3 T4 T5 T6 T7
 Eligibility screening   Paper X        
 Informed consent   Paper X        
 Neuropsychological screening Demographic data Paper X        
EHI [34] Paper X        
CES [35] Paper X        
DASS-21 [36] Paper X        
TFEQ-R-18 [37] Paper X        
EDDS [38] Paper X        
Food craving pictures Tablet-PC X        
 Viewing task Food cue-reactivity Computer    X     X  
 Brain stimulation tDCS (active vs. sham) Device      X    
 Questionnaires FCQ-T [39] Paper   X       X
FCQ-S [40] Paper   X       X
Self-reported craving (VAS) Paper   X   X   X   X
Baseline hunger (VAS) Paper   X   X   X   X
Seven affective states (VAS) Paper   X   X   X   X
Blindness Paper         X
Sensations related to tES [33] Paper         X
Additional assessments           
 Physical measures fMRI Computer    X     X  
DTI Computer         X
  1. Abbreviations: EHI Edinburgh Handedness Inventory, CES Compulsive Eating Scale, DASS-21 Depression Anxiety Stress Scales-21, TFEQ-R18 Three-Factor Eating Questionnaire-R18, EDDS Eating Disorder Diagnostic Scale, FCQ-T Food Craving Questionnaire-Trait, FCQ-S Food Craving Questionnaire-State, VAS Visual Analog Scale, DTI Diffusion tensor imaging