The cognitive neural mechanism of deinhibition: An ERP study

doi:10.3724/SP.J.1041.2025.0762

Abstract

CHEN Jiwen, MAI Xiaoqin, LI Fuhong. (2025). The cognitive neural mechanism of deinhibition: An ERP study. Acta Psychologica Sinica, 57(5), 762-774.

Figures/Tables 7

Table 1 Average reaction time and accuracies for repeat and switch trials under N?1 inhibition or N?1 noninhibition

Condition	Reaction time (ms)	Accuracies (%)
Switch after non-inhibition	611 ± 73	98.9 ± 1.3
Repeat after non-inhibition	616 ± 76	98.8 ± 1.5
Switch after inhibition	559 ± 68	98.5 ± 1.9
Repeat after inhibition	574 ± 69	98.8 ± 1.6

Figure 1. Average S-cluster waveforms, topographical maps, average amplitude maps, and standard waveform of P1/N1 at POz/PO3/PO4 (NS: Switch after non-inhibition; NR: Repeat after non-inhibition; IS: Switch after inhibition; IR: Repeat after inhibition).

Table 2 Descriptive statistical ERP amplitude results of P1, N1, N2 and P3 under different conditions (Mean ± SD)

Condition	P1 (μV)	N1 (μV)	N2 (μV)	P3 (μV)
Switch after non-inhibition	0.62 ± 2.80	?2.89 ± 3.25	?1.77 ± 2.12	0.76 ± 3.04
Repeat after non-inhibition	0.76 ± 2.60	?2.81 ± 3.32	?1.77 ± 2.20	1.01 ± 3.40
Switch after inhibition	0.02 ± 2.48	?4.47 ± 3.32	?1.84 ± 2.10	2.99 ± 3.15
Repeat after inhibition	1.03 ± 2.58	?3.57 ± 3.19	?1.13 ± 2.16	1.77 ± 3.22

Table 3 Descriptive statistical ERP latency results of P3 and R-cluster under different conditions (Mean ± SD)

Condition	P3 (ms)	R-cluster (ms)
Switch after non-inhibition	476 ± 11	703 ± 61
Repeat after non-inhibition	470 ± 11	685 ± 68
Switch after inhibition	446 ± 11	647 ± 75
Repeat after inhibition	465 ± 11	674 ± 65

Figure 2. Average S-cluster waveforms, topographical maps, average amplitude maps, and standard waveform of N2 at Fp1/Fpz/Fp2/F1/ Fz/F2 (NS: Switch after non-inhibition; NR: Repeat after non-inhibition; IS: Switch after inhibition; IR: Repeat after inhibition).

Figure 3. Average C-cluster waveforms, topographical maps, average amplitude maps, and standard waveform of P3 at Pz/P1/P2 (NS: Switch after non-inhibition; NR: Repeat after non-inhibition; IS: Switch after inhibition; IR: Repeat after inhibition).

Figure 4. Average R-cluster waveforms, topographical maps, average amplitude maps, and standard waveform of R-cluster at C3/C4 (NS: Switch after non-inhibition; NR: Repeat after non-inhibition; IS: Switch after inhibition; IR: Repeat after inhibition).