خلاصه ماشینی:
"Student in Psychology Semnan University Objective: The aim of present research is to investigate the effects of Neurofeedback on Cognitive Function with emphasis on Memory.
Neurofeedback training (NFB) or electroencephalographic biofeedback (EEG) involves providing the subject in real time with information relating to the rhythmic cortical electrical activities that reflect the electrical activity of specific cortical areas and functions (Evans & Abarbanel, 1999; Masterpasqua & Healey, 2003).
The amplitude of lower frequency bands (delta and theta) and upper frequency bands (gamma) tends to increase in line with cognitive effort while the amplitude of alpha and beta waves tends to decrease (Basar, 2004; Erol Başar, Başar-Eroglu, Karakaş, & Schürmann, 2001).
The NFB training sessions by participants in the experiment were expected to generate two chief observations: first of all, a change of EEG activity resulting in an increase of the SMR and decrease of the Theta; secondly, an improvement of cognitive performance, measured in this case in memory.
However it seems that all researchers agree that increasing activity of slow theta is problematic and it can be considered by neurofeedback training (Vernon, Frick, & Gruzelier, 2004).
Finally, the type of tasks used in this research to assess memory performance may have been insufficiently matched with the cognitive processes associated with the frequency of wave ranges targeted by NFB training.
Our own observations do corroborate the hypothesis of the effect of NFB training of different frequency ranges (in particular a stimulation of SMR and theta waves) on memory performance in subjects."