Near-infrared spectroscopy in schizophrenia: A bibliometric perspective

Table 1 Top 10 relevant journals

Journal	Number	Citation	IF	JCR
Schizophrenia Research	29	1002	4.5	Q2
Frontiers in Psychiatry	24	233	4.7	Q2
Scientific Reports	21	406	4.6	Q2
Biological Psychiatry	17	503	10.6	Q1
Journal of Psychiatric Research	16	394	4.8	Q2
Journal of Affective Disorders	16	339	6.6	Q1
Psychiatry Research-Neuroimaging	14	297	2.3	Q3
Progress in Neuro-Psychopharmacology & Biological Psychiatry	13	345	5.6	Q1
Psychiatry and Clinical Neurosciences	13	241	11.9	Q1
Plos One	10	233	3.7	Q2

IF: Impact factor; JCR: Journal citation reports.

Table 2 The top 10 most influential authors

Element	H-index	Number	Total citation	Country	Institution
Kasai K	19	41	1171	Japan	University of Tokyo
Takizawa R	18	34	1046	Japan	University of Tokyo
Nishimura Y	13	25	482	Japan	University of Tokyo
Pu S	13	19	674	Japan	Tottori University
Fallgatter AJ	11	15	487	Germany	University of Tubingen
Fukuda M	11	18	1060	Japan	Saga University
Nakagome K	11	17	445	Japan	National Center of Neurology and Psychiatry
Chou PH	10	17	223	China	China Medical University
Kaneko K	10	14	336	Japan	Tottori University
Koike S	10	22	345	Japan	University of Tokyo

Table 3 The top 10 institutions

Institution	Number
University of Tokyo	129
Tottori University	41
Osaka University	35
Tsinghua University	30
Taichung Veterans General Hospital	27
Nara Medical University	25
Ankara University	24
Chiba University	24
Peking University	24
Fukushima Medical University	22

Table 4 Top 10 most influential countries

Country	Number	SCP	MCP	Citation	Average citation
Japan	190	173	17	4709	24.8
China	68	53	15	736	10.8
Germany	25	20	5	936	37.4
USA	15	9	6	860	57.3
Turkey	11	8	3	69	6.3
Italy	7	6	1	69	9.9
Singapore	6	2	4	319	53.2
India	5	5	0	70	14.0
Canada	4	1	3	106	26.5
Korea	3	2	1	133	44.3

SCP: Single-country authors; MCP: Multi-country authors.