105
Participants
Start Date
June 6, 2023
Primary Completion Date
April 1, 2025
Study Completion Date
May 31, 2025
rTMS (cTBS 50Hz experiment)
"rTMS using cTBS protocol with the following characteristics:~* Frequency: trains of 50 Hz (3 pulses) every 200ms (frequency of 5 Hz, in the range of theta band)~* Intensity: 80% of resting motor threshold (rMT)~* Location: consecutively on the left and right temporo-occipital cortex (MNI coordinates: left hemisphere: -50, -72, 4; right hemisphere:50, -66, 0)~* Duration: 40 seconds for each hemisphere, 80 seconds in total.~* Timing: Immediately before viewing pictures in pictorial memory task (off-line)"
rTMS (cTBS sham)
"rTMS using cTBS protocol with the following characteristics:~* Frequency: trains of 50 Hz (3 pulses) every 200ms (frequency of 5 Hz, in the range of theta band)~* Intensity: 0%~* Location: consecutively on the left and right temporo-occipital cortex (MNI coordinates: left hemisphere: -50, -72, 4; right hemisphere:50, -66, 0)~* Duration: 40 seconds for each hemisphere, 80 seconds in total.~* Timing: Immediately before viewing pictures in pictorial memory task (off-line)"
rTMS (cTBS 50 Hz active control)
"rTMS using cTBS protocol with the following characteristics:~* Frequency: trains of 50 Hz (3 pulses) every 200ms (frequency of 5 Hz, in the range of theta band)~* Intensity: 80% of resting motor threshold (rMT)~* Location: Right superior frontal cortex~* Duration: 40 seconds for each hemisphere, 80 seconds in total.~* Timing: Immediately before viewing pictures in pictorial memory task (off-line)"
rTMS (high frequency)
"rTMS using high frequency protocol with the following characteristics:~* Frequency: 20 Hz~* Intensity: 120% of rMT for rMT \< 54% \& 65% of MSO for rMT ≥ 54%~* Location: temporo-occipital cortex of the dominant brain hemisphere~* Duration: 20 minutes, continuously~* Timing: During the pictorial memory task (on-line) 1 second stimulation and 14 seconds inter-train interval for 76 trains resulting in a total of 1520 pulses."
rTMS (low frequency)
"rTMS using Low frequency protocol with the following characteristics:~* Frequency: 1 Hz~* Intensity: 110% of rMT~* Location: temporo-occipital cortex of dominant brain hemisphere (MNI left hemisphere: -50, -72, 4; right hemisphere:50, -66, 0)~* Duration: 30 minutes, continuously~* Timing: Starting 10 minutes before and continuing during the picture viewing and valence rating of the pictures of the memory task (on-line)."
rTMS (high frequency sham)
"* Frequency: 20 Hz~* Intensity: 10% of MSO~* Location: temporo-occipital cortex of the dominant brain hemisphere~* Duration: 20 minutes, continuously~* Timing: During the pictorial memory task (on-line) 1 second stimulation and 14 seconds inter-train interval for 76 trains resulting in a total of 1520 pulses."
rTMS (high frequency active control)
"* Frequency: 20 Hz~* Intensity: 120% of rMT for rMT \< 54% \& 65% of MSO for rMT ≥ 54%~* Location: right superior frontal cortex of the dominant brain hemisphere~* Duration: 20 minutes, continuously~* Timing: During the pictorial memory task (on-line) 1 second stimulation and 14 seconds inter-train interval for 76 trains resulting in a total of 1520 pulses."
rTMS (low frequency active control )
"* Frequency: 1 Hz~* Intensity: 110% of rMT~* Location: Right superior frontal cortex of the dominant brain hemisphere~* Duration: 6 minutes~* Timing: Starting 1 minutes before and continuing during the memory task (Online)"
rTMS ( cTBS 30 Hz active control)
"* Bilateral continuous theta burst stimulation (cTBS) 30 Hz:~* Frequency: trains of 30 Hz (3 pulses) every 167 ms (frequency of 6 Hz, in the range of theta band)~* Intensity: 100% of resting motor threshold (rMT)~* Location: consecutively on right superior frontal cortex~* Duration: 33.3 seconds for each side~* Timing: Immediately before pictorial memory task (off-line)"
rTMS (cTBS 30 Hz)
"* Bilateral continuous theta burst stimulation (cTBS) 30 Hz:~* Frequency: trains of 30 Hz (3 pulses) every 167 ms (frequency of 6 Hz, in the range of theta band)~* Intensity: 100% of resting motor threshold (rMT)~* Location: consecutively on left and right temporo-occipital cortex~* Duration: 33.3 seconds for each side~* Timing: Immediately before pictorial memory task (off-line)"
University of Basel, Division of Cognitive Neuroscience, Basel
Prof. Dominique de Quervain, MD
OTHER