Changes in attentional processing following neurofeedback in patients with persistent post-concussive symptoms: a pilot study.

Autor:	Hershaw J; Defense and Veterans Brain Injury Center , Fort Carson, CO, USA.; General Dynamics Information Technology , Falls Church, VA, USA., Hill-Pearson CA; Defense and Veterans Brain Injury Center , Fort Carson, CO, USA.; General Dynamics Information Technology , Falls Church, VA, USA., Arango JI; Defense and Veterans Brain Injury Center , Fort Carson, CO, USA.; General Dynamics Information Technology , Falls Church, VA, USA., Souvignier AR; Defense and Veterans Brain Injury Center , Fort Carson, CO, USA.; Warrior Recovery Center, Evans Army Community Hospital , Fort Carson, CO, USA., Pazdan RM; Defense and Veterans Brain Injury Center , Fort Carson, CO, USA.; Warrior Recovery Center, Evans Army Community Hospital , Fort Carson, CO, USA.
Jazyk:	angličtina
Zdroj:	Brain injury [Brain Inj] 2020 Dec 05; Vol. 34 (13-14), pp. 1723-1731. Date of Electronic Publication: 2020 Nov 16.
DOI:	10.1080/02699052.2020.1812720
Abstrakt:	Objective: Persistent post-concussive symptoms (PPCS) often include attention deficits, particularly orienting and executive attention. Research in other clinical populations has demonstrated that neurofeedback therapy (NFT) is effective at improving orienting and executive attention, although its effects on attentional networks in patients with PPCS are unknown. Method: In this single-group pilot study, we examined attention-related event-related potentials (ERPs) - N1 and P3 - and cognitive outcomes following Live Z-score training (LZT), a variant of NFT. Results: No changes in early selective attention, as indexed by N1 amplitude, were observed; however, P3 amplitude, which indexes neural resource allocation, increased following LZT and returned to baseline by 3 months. Cognitive performance improved following treatment, which was sustained at 3 months. The magnitude of change in P3 and ANT performance did not differ between orienting or executive attention, suggesting LZT improved general attentional processing efficiency. Conclusion: Our results suggest that LZT may positively affect attention globally, but does not target specific attention networks. These pilot data warrant the initiation of a clinical trial evaluating the effectiveness of LZT for treating attention deficits in patients with PPCS.
Databáze:	MEDLINE
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