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Attentional blink meditation

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https://www.readbyqxmd.com/read/27014511/consumer-grade-eeg-devices-are-they-usable-for-control-tasks
#1
Rytis Maskeliunas, Robertas Damasevicius, Ignas Martisius, Mindaugas Vasiljevas
We present the evaluation of two well-known, low-cost consumer-grade EEG devices: the Emotiv EPOC and the Neurosky MindWave. Problems with using the consumer-grade EEG devices (BCI illiteracy, poor technical characteristics, and adverse EEG artefacts) are discussed. The experimental evaluation of the devices, performed with 10 subjects asked to perform concentration/relaxation and blinking recognition tasks, is given. The results of statistical analysis show that both devices exhibit high variability and non-normality of attention and meditation data, which makes each of them difficult to use as an input to control tasks...
2016: PeerJ
https://www.readbyqxmd.com/read/26871460/effects-of-meditation-practice-on-spontaneous-eyeblink-rate
#2
Ayla Kruis, Heleen A Slagter, David R W Bachhuber, Richard J Davidson, Antoine Lutz
A rapidly growing body of research suggests that meditation can change brain and cognitive functioning. Yet little is known about the neurochemical mechanisms underlying meditation-related changes in cognition. Here, we investigated the effects of meditation on spontaneous eyeblink rates (sEBR), a noninvasive peripheral correlate of striatal dopamine activity. Previous studies have shown a relationship between sEBR and cognitive functions such as mind wandering, cognitive flexibility, and attention-functions that are also affected by meditation...
May 2016: Psychophysiology
https://www.readbyqxmd.com/read/26320866/meditation-induced-states-predict-attentional-control-over-time
#3
Lorenza S Colzato, Roberta Sellaro, Iliana Samara, Matthijs Baas, Bernhard Hommel
Meditation is becoming an increasingly popular topic for scientific research and various effects of extensive meditation practice (ranging from weeks to several years) on cognitive processes have been demonstrated. Here we show that extensive practice may not be necessary to achieve those effects. Healthy adult non-meditators underwent a brief single session of either focused attention meditation (FAM), which is assumed to increase top-down control, or open monitoring meditation (OMM), which is assumed to weaken top-down control, before performing an Attentional Blink (AB) task - which assesses the efficiency of allocating attention over time...
December 2015: Consciousness and Cognition
https://www.readbyqxmd.com/read/26137479/neurophysiological-effects-of-meditation-based-on-evoked-and-event-related-potential-recordings
#4
REVIEW
Nilkamal Singh, Shirley Telles
Evoked potentials (EPs) are a relatively noninvasive method to assess the integrity of sensory pathways. As the neural generators for most of the components are relatively well worked out, EPs have been used to understand the changes occurring during meditation. Event-related potentials (ERPs) yield useful information about the response to tasks, usually assessing attention. A brief review of the literature yielded eleven studies on EPs and seventeen on ERPs from 1978 to 2014. The EP studies covered short, mid, and long latency EPs, using both auditory and visual modalities...
2015: BioMed Research International
https://www.readbyqxmd.com/read/24376429/plasticity-of-visual-attention-in-isha-yoga-meditation-practitioners-before-and-after-a-3-month-retreat
#5
Claire Braboszcz, B Rael Cahn, Bhavani Balakrishnan, Raj K Maturi, Romain Grandchamp, Arnaud Delorme
Meditation has lately received considerable interest from cognitive neuroscience. Studies suggest that daily meditation leads to long lasting attentional and neuronal plasticity. We present changes related to the attentional systems before and after a 3 month intensive meditation retreat. We used three behavioral psychophysical tests - a Stroop task, an attentional blink task, and a global-local letter task-to assess the effect of Isha yoga meditation on attentional resource allocation. 82 Isha yoga practitioners were tested at the beginning and at the end of the retreat...
2013: Frontiers in Psychology
https://www.readbyqxmd.com/read/24322326/control-over-experience-magnitude-of-the-attentional-blink-depends-on-meditative-state
#6
Marieke K van Vugt, Heleen A Slagter
The information processing capacity of the human mind is limited, as is evidenced by the so-called 'attentional-blink' deficit. This deficit is believed to result from competition between stimuli for limited attentional resources. We examined to what extent advanced meditators can manipulate their attentional state and control performance on an attentional blink task. We compared the magnitude of the attentional blink between states of focused attention meditation (in which one focuses tightly on an object) and states of open monitoring meditation (in which one is simply aware of whatever comes into experience) in a sample of experienced meditators...
January 2014: Consciousness and Cognition
https://www.readbyqxmd.com/read/19515578/age-effects-on-attentional-blink-performance-in-meditation
#7
Sara van Leeuwen, Notger G Müller, Lucia Melloni
Here we explore whether mental training in the form of meditation can help to overcome age-related attentional decline. We compared performance on the attentional blink task between three populations: A group of long-term meditation practitioners within an older population, a control group of age-matched participants and a control group of young participants. Members of both control groups had never practiced meditation. Our results show that long-term meditation practice leads to a reduction of the attentional blink...
September 2009: Consciousness and Cognition
https://www.readbyqxmd.com/read/18823234/theta-phase-synchrony-and-conscious-target-perception-impact-of-intensive-mental-training
#8
Heleen A Slagter, Antoine Lutz, Lawrence L Greischar, Sander Nieuwenhuis, Richard J Davidson
The information processing capacity of the human mind is limited, as is evidenced by the attentional blink-a deficit in identifying the second of two targets (T1 and T2) presented in close succession. This deficit is thought to result from an overinvestment of limited resources in T1 processing. We previously reported that intensive mental training in a style of meditation aimed at reducing elaborate object processing, reduced brain resource allocation to T1, and improved T2 accuracy [Slagter, H. A., Lutz, A...
August 2009: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/17488185/mental-training-affects-distribution-of-limited-brain-resources
#9
Heleen A Slagter, Antoine Lutz, Lawrence L Greischar, Andrew D Francis, Sander Nieuwenhuis, James M Davis, Richard J Davidson
The information processing capacity of the human mind is limited, as is evidenced by the so-called "attentional-blink" deficit: When two targets (T1 and T2) embedded in a rapid stream of events are presented in close temporal proximity, the second target is often not seen. This deficit is believed to result from competition between the two targets for limited attentional resources. Here we show, using performance in an attentional-blink task and scalp-recorded brain potentials, that meditation, or mental training, affects the distribution of limited brain resources...
June 2007: PLoS Biology
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