Research hotspots and trends in transcranial magnetic stimulation for cognitive impairment: A bibliometric analysis from 2014 to 2023

Table 1 highest-ranking keywords that cause citation bursts

	Count	Betweenness centrality	Country
1	715	0.21	United States
2	461	0.05	China
3	331	0.12	Italy
4	246	0.08	Canada
5	243	0.21	England
6	227	0.34	Germany
7	169	0.08	Australia
8	108	0.02	Netherlands
9	106	0.07	Spain
10	102	0.14	France

Table 2 Top 10 institutions based on centrality and frequency

	Count	Betweenness centrality	Institution
1	146	0.08	Harvard University
2	113	0.03	University of Toronto
3	100	0.09	University of London
4	71	0.06	University of California System
5	68	0.02	United States Department of Veterans Affairs
6	67	0.02	Veterans Health Administration
7	66	0.02	Centre for Addiction and Mental Health-Canada
8	61	0.08	Massachusetts General Hospital
9	60	0.04	Monash University
10	57	0.05	National de la Sante et de la Recherche Medicale (Inserm)

Table 3 Top 10 journals according to frequency

	Count	Journal name
1	1493	Brain Stimul
2	1480	Clin Neurophysiol
3	1444	Neuroimage
4	1370	J Neurosci
5	1349	Plos One
6	1174	Brain
7	1143	Biol Psychiat
8	1099	Neuron
9	1097	Neurology
10	1043	P Natl Acad Sci United States

Table 4 Top 10 co-authors in terms of frequency and centrality

	Count	Betweenness centrality	Author name
1	39	0.06	Daskalakis ZJ
2	35	0.07	Pascual-Leone A
3	31	0.02	Blumberger DM
4	27	0.06	Koch G
5	26	0.01	Fitzgerald PB
6	26	0.01	Lanza G
7	23	0.01	Bella R
8	20	0	Cantone M
9	18	0.01	Rajji TK
10	16	0.01	Downar J

Table 5 Top 10 keywords in terms of frequency and centrality

	Count	Betweenness centrality	Keywords
1	1538	0.01	Transcranial magnetic stimulation
2	361	0.03	Alzheimer’s disease
3	352	0.02	Repetitive transcranial magnetic stimulation
4	300	0.03	Double-blind
5	297	0.02	Dorsolateral prefrontal cortex
6	290	0.02	Prefrontal cortex
7	281	0.01	Noninvasive brain stimulation
8	233	0.02	Functional connectivity
9	213	0.02	Transcranial direct current stimulation
10	208	0.03	Theta burst stimulation