The Effects of Repetitive Transcranial Magnetic Stimulation over the Left Parietal Region on EFT and EM
Description
This study investigated the effects of repetitive transcranial magnetic stimulation (rTMS) on episodic future thinking (EFT) and episodic memory (EM). Participants included 36 healthy adults, to which they attended four separate laboratory sessions. Each session consisted of differing rTMS parameters: 1) high-frequency (facilitatory) rTMS (20 Hz, 1600 pulses, 20 mins), 2) low-frequency (inhibitory) rTMS (1 Hz, 600 pulses, 10 mins), active-control rTMS, (1 Hz, 600 pulses, 10 mins), and sham stimulation (20 Hz, 1600 pulses, 20 mins). The study aimed to investigate whether inhibitory and facilitatory rTMS over the left lateral parietal region effected EFT and EM. We hypothesised that low-frequency (inhibitory) rTMS over this region would significantly reduce the number of episodic details and significantly increase the number of external details elicited during both EFT and EM tasks, compared to sham and control conditions. We also hypothesised that high-frequency (facilitatory) rTMS over the left lateral parietal region would significantly increase the number of episodic details and significantly decrease the number of external details elicited during both EFT and EM tasks, compared to sham and control conditions. The data collected indicates that inhibitory rTMS over the left lateral parietal region significantly reduced episodic details and significantly increased external details elicited during both EM and EFT, compared to active-control and sham conditions. However, facilitatory rTMS over the same region did not significantly change EM and EFT detail, compared to active-control and sham conditions. In the dataset, we conducted two separate 4 (condition) x 2 (detail) within-subjects ANOVAs to investigate the mean number of episodic and external details elicited during EFT and EM across conditions. In the dataset, these variables are defined as "FacilMemInternal", "FacilMemExternal". InhibitMemInteral", "InhibitMemExternal", and so forth for the EM analyses. For EFT, the variables within the dataset follow the same naming process with "FacilFutureInternal", "FacilFutureExternal", and so forth. Appropriate labels have been provided in the dataset to ensure clarity. This dataset will be linked with a publication that is under revision for publication in the journal of Consciousness and Cognition. Additional variables found within this dataset include demographic information: age, gender, height, and weight. Resting motor threshold was recorded prior to each condition and provided in the dataset. Participants also completed a non-episodic control task across conditions where they listed as many words as they could; this variable is provided in the dataset. Lastly, episodic and external details elicited during EM and EFT were combined to indicate the total number of details; provided in the dataset. Lastly, session order is provided as a categorical variable.
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Steps to reproduce
Detailed methods to replicate this dataset will be provided within the published manuscript.
Institutions
- University of CanberraAustralian Capital Territory, Canberra