Testing the Benefits of Neurofeedback on Selective Attention Measured Through Dichotic Listening

Gadea, Marién; Aliño, Marta; Garijo, Evelio; Espert, Raúl; Salvador, Alicia

doi:10.1007/s10484-015-9323-8

Cited by 16 publications

(17 citation statements)

References 31 publications

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“…Consistent with the research reported above, studies using real-time EEG (rtEEG) showed that up-training SMR (13-15 Hz) and down-training theta (4-8 Hz) significantly impacted different attention tasks, such as performance in the attention network task (Hill et al 2009), or dichotic listening task (Gadea et al 2016). Even though we are not aware of any rtEEG studies aimed at increasing MW per se, there is evidence for the effects of up-training theta (or theta/alpha ratio) and down-training rhythms within the beta spectrum (13-35 Hz) in promoting processes associated with MW, such as creativity (Gruzelier et al 2014) and memory consolidation (Reiner et al 2014).…”

Section: Introductionsupporting

confidence: 74%

Neuromodulating Attention and Mind-Wandering Processes with a Single Session Real Time EEG

Gonçalves

Carvalho

Mendes

et al. 2018

Appl Psychophysiol Biofeedback

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Our minds are continuously alternating between external attention (EA) and mind wandering (MW). An appropriate balance between EA and MW is important for promoting efficient perceptual processing, executive functioning, decision-making, auto-biographical memory, and creativity. There is evidence that EA processes are associated with increased activity in high-frequency EEG bands (e.g., SMR), contrasting with the dominance of low-frequency bands during MW (e.g., Theta). The aim of the present study was to test the effects of two distinct single session real-time EEG (rtEEG) protocols (SMR up-training/Theta down-training-SMR⇑Theta⇓; Theta up-training/SMR down-training-Theta⇑SMR⇓) on EA and MW processes. Thirty healthy volunteers were randomly assigned to one of two rtEEG training protocols (SMR⇑Theta⇓; Theta⇑SMR⇓). Before and after the rtEEG training, participants completed the attention network task (ANT) along with several MW measures. Both training protocols were effective in increasing SMR (SMR⇑Theta⇓) and theta (Theta⇑SMR⇓) amplitudes but not in decreasing the amplitude of down-trained bands. There were no significant effects of the rtEEG training in either EA or MW measures. However, there was a significant positive correlation between post-training SMR increases and the use of deliberate MW (rather than spontaneous) strategies. Additionally, for the Theta⇑SMR⇓ protocol, increase in post-training Theta amplitude was significantly associated with a decreased efficiency in the orientation network.

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Section: Introductionsupporting

confidence: 74%

Neuromodulating Attention and Mind-Wandering Processes with a Single Session Real Time EEG

Gonçalves

Carvalho

Mendes

et al. 2018

Appl Psychophysiol Biofeedback

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“…The observed increases in visual and auditory attention, coincide with findings of Bernal [14]; Gadea, Aliño, et al [15], who found significant improvements in attention skills by NFB. This finding can be explained by the synchronization of the EEG, which showed asymmetry in the electrical activity of the brain, specifically with a predominance of slow activity in the right hemisphere, Therefore, the rehabilitation of the attention must point to the attention circuits affected by the neurological damage that supports the attention [16].…”

Section: Discussionsupporting

confidence: 89%

Neurofeedback Training to Increase of Cognitive Skills in Patient with Traumatic Brain Injury (TBI)

Garzón¹

2018

JNSK

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The aim of this case analysis was to study the effect Neurofeedback (NFB) training protocol in attention, memory, verbal fluency and speed in an 18-yearold woman patient who suffered a severe TBI due to major car accident one year ago, who presented disoriented, with both, anterograde memory and attention problems at the time of neuropsychology consultation. Additionally, absence crises, quadrantanopsia and left divergent strabismus was reported.Electroencephalogram study reports a predominance in a right parieto-temporal slow brain activity. Thus, we proposed 20 sessions of neurofeedback training protocol aimed to increase beta wave and inhibit theta wave. After four months, the patient experienced a significant improvements in attention, coding, working memory and processing speed. The cognitive performance improvements was associate, with a slow brain waves percentage decrease, which according to previous research could be related with low blood flow. Copyright: ©2018 Riaño-Garzón et al. Keywords:Wechsler intelligence scale III: [11] an instrument for to calculate the intellectual profile and that was used to evaluate speed of processing, attention and working memory. This instrument offers conversion to scalar scores for each subtest. figure: [12] which was used to evaluate visual memory. Rey complex ProcedureThe intervention program was developed in three phases: a) Evaluation of attention processes, memory and language B) Implementation of NFB Protocol and c) Post-intervention assessment.The NFB program was developed in three sessions per week, each session lasting 30 minutes. A training NFB protocol was used directed to increase the brain-wave of 12-16 Hz (beta wave) and inhibition the slower brain-wave of 4-7 Hz (theta wave) in a monopolar montage. Twenty training sessions were conducted. ResultsThe NFB training program was useful in increasing visual attention, attentional span, short-term verbal and visual memory, processes where equal to above-average performances are observed according to the participant's age (Table 1). In addition, there were improvements in long-term memory, working memory and verbal fluency; however, these results did not reach the expected levels. Improvements in cognitive performance due to NFB are explained by the modification of the cortical electrical activity, where a decrease in theta wave was observed from an initial percentage of 28.75 to a final percentage of 19.80 ( Figure 1). Visual attention Copyright: ©2018 Riaño-Garzón et al. DiscussionCognitive impairment, especially attention and memory, stands out in the TBI [13], for this reason, the object of study was to increase attention, memory, verbal fluency and speed through a NFB training protocol. The results showed that NFB generated improvement in the cognitive processes of the patient with TBI after a stimulation process of 30 sessions compared to its initial evaluation.The observed increases in visual and auditory attention, coincide with findings of Bernal [14]; Gadea, Aliño, et al. [15], who found signi...

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“…The dichotic CV-syllable task has historically been used for the study of hemispheric asymmetry, which is reflected in the typical higher accuracy scores for reporting of the right ear stimulus, called a right-ear advantage (REA) [38], [47], [48], [49]. The paradigm has however also been used for the study of higher cognitive functions, like attention and executive control functions [46], [50], [51], [52], which Hugdahl and Andersson [36] labeled "the forced-attention" dichotic listening paradigm. In the latter case instructions to explicitly focus attention to and report from only the right or left ear is alternated between trial-blocks and mixed with blocks of no-attention-focus instruction.…”

Section: Methodsmentioning

confidence: 99%

Dynamic up- and down-regulation of the default (DMN) and extrinsic (EMN) mode networks during alternating task-on and task-off periods

et al. 2019

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Using fMRI, Hugdahl et al. (2015) reported the existence of a general-domain cortical network during active task-processing which was non-specific to the cognitive task being processed. They labelled this network the extrinsic mode network (EMN). The EMN would be predicted to be negatively, or anti-correlated with the classic default mode network (DMN), typically observed during periods of rest, such that while the EMN should be down-regulated and the DMN up-regulated in the absence of demands for task-processing, the reverse should occur when demands change from resting to task-processing. This would require alternating periods of task-processing and resting and analyzing data continuously when demands change from active to passive periods and vice versa. We were particularly interested in how the networks interact in the critical transition points between conditions. For this purpose, we used an auditory task with multiple cognitive demands in a standard fMRI block-design. Task-present (ON) blocks were alternated with an equal number of task-absent, or rest (OFF) blocks to capture network dynamics across time and changing environmental demands. To achieve this, we specified the onset of each block, and used a finite-impulse response function (FIR) as basis function for estimation of the fMRI-BOLD response. During active (ON) blocks, the results showed an initial rapid onset of activity in the EMN network, which remained throughout the period, and faded away during the first scan of the OFF-block. During OFF blocks, activity in the DMN network showed an initial time-lag where neither the EMN nor the DMN was active, after which the DMN was up-regulated. Studying network dynamics in alternating passive and active periods may provide new insights into brain network interaction and regulation.

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Testing the Benefits of Neurofeedback on Selective Attention Measured Through Dichotic Listening

Cited by 16 publications

References 31 publications

Neuromodulating Attention and Mind-Wandering Processes with a Single Session Real Time EEG

Neuromodulating Attention and Mind-Wandering Processes with a Single Session Real Time EEG

Neurofeedback Training to Increase of Cognitive Skills in Patient with Traumatic Brain Injury (TBI)

Dynamic up- and down-regulation of the default (DMN) and extrinsic (EMN) mode networks during alternating task-on and task-off periods

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