Table 1.

Search strategy for identification of relevant publications.

Databases: PsycInfo, Medline, ScienceDirect
AND	TIT ABS KW	rTMS OR repetitive transcranial magnetic stimulation OR repetitive trans-cranial magnetic stimulation OR TMS OR transcranial magnetic stimulation OR trans-cranial magnetic stimulation OR theta-burst stimulation OR theta burst stimulation OR TBS OR paired associative stimulation OR PAS
	TIT ABS KW	Excitability OR “cort* excitability” OR “motor cort* excitability” OR MT OR motor threshold OR “cortic* threshold” OR rMT OR resting motor threshold OR resting-motor threshold OR MEP OR motor evoked potential* OR motor-evoked potential* OR double pulse OR double-pulse OR paired pulse OR paired-pulse OR single-pulse OR single pulse OR CSP OR “* silent period*” OR SPD OR SICI OR short interval cortical inhibition OR “*cortical inhibition” OR “*cortical facilitation” OR ICF OR *callosal inhibition OR *callosal facilitation OR *hemispheric inhibition OR *hemispheric facilitation OR “TMS paradigm*” OR inter-threshold difference OR inter threshold difference OR ITD OR “D-wave*” OR “M-wave*” OR “I-wave*” OR “I wave*” OR “M wave*” OR “D wave”
Result (21.04.2014): n = 6473

TIT, Title; ABS, Abstract; KW, Keyword. Understandable in the contex; for literature research

^*stands for a placeholder.