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Changes in Cortical Activity in Altered States of Consciousness: The Study of Meditation by High-Resolution EEG

Human Physiology volume 29, pages 143–151 (2003)Cite this article

Abstract

The specific features of the topology of spectral powers and coherent interregional interrelationships in the narrow, individually determined δ-, θ-, α1-, α2-, and α3-frequency bands were studied by means of high-resolution EEG (62 channels) in novice and experienced meditators (NMs and EMs) at rest and under the conditions of generation of an altered state of consciousness characterized by inactivation of cognitive activity and the occurrence of a positive emotional experience of happiness. EMs in the meditation-free state were found to be characterized by a shift in the values of the individual α frequency to a lower-frequency region of the spectrum, along with higher, compared to NMs, θ-, α1-, α2-, and α3-band power values, which probably reflects the cumulative character of the influence of long-term meditative practice. The effective achievement of altered states of consciousness in EMs was associated with an increase in the local θ- and α1 powers in the anterior cortical areas, as well as long-distance coherence between the prefrontal and posterior associative cortex with the formation of a center of gravity in the left prefrontal region (lead AF 3). According to the data of the correlation analysis of the EEG power values and the data of subjective scaling of the meditation state, the θ-power values were positively associated with positive emotional experiences and negatively associated with the level of mental activity. The results of this study are consistent with current concepts that the θ and α activities in narrow frequency bands reflect the activity of multifunctional neuronal networks selectively associated with processes of cognitive and affective activity.

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REFERENCES

  1. Lou, H.C., Kjaer, T.W., Friberg, L., et al., A 15 O-H 2 O PET Study of Meditation and the Resting State of Normal Consciousness, Hum. Brain Mapp., 1999, vol. 7 (2), p. 98.

    Google Scholar 

  2. Travis, F. and Pearson, C., Pure Consciousness: Distinct Phenomenological and Physiological Correlates of "Consciousness Itself," Int. J. Neurosci., 2000, vol. 100, p. 77.

    Google Scholar 

  3. Newberg, A., Alavi, A., Baime, M., et al., The Measurement of Regional Cerebral Blood Flow during the Complex Cognitive Task of Meditation: A Preliminary SPECT Study, Psychiatr. Res., 2001, vol. 106 (2), no. 10, p. 113.

    Google Scholar 

  4. Gaylord, C., Orme-Johnson, D., and Travis, F., The Effects of the Transcendental Meditation Technique and Progressive Muscle Relaxation on EEG Coherence, Stress Reactivity, and Mental Health in Black Adults, Int. J. Neurosci., 1989, vol. 46, nos. 1, 2, p. 77.

    Google Scholar 

  5. Panjwani, U., Gupta, H.L., Singh, S.H., et al., Effect of Sahaja Yoga Practice on Stress Management in Patients of Epilepsy, Indian J. Physiol. Pharmacol., 1995, vol. 39 (2), p. 111.

    Google Scholar 

  6. Lee, M.S., Bae, B.H., Ryu, H., et al., Changes in Alpha Wave and State Anxiety during ChunDoSunBup Qi-Training in Trainees with Open Eyes, Am. J. Clin. Med., 1997, vol. 25 (3, 4), p. 289.

    Google Scholar 

  7. Infante, J.R., Torres-Avisbal, M., Pinel, P., et al., Catecholamine Levels in Practitioners of the Transcendental Meditation Technique, Physiol. Behav., 2001, vol. 72 (1, 2), p. 141.

    Google Scholar 

  8. Han, W., Zhang, L., and Xia, Y., The Difference in EEG Theta Waves between Concentrative and Nonconcentrative Qigong States-A Power Spectrum and Topographic Mapping Study, J. Tradit. Chin. Med., 1994, vol. 14 (3), p. 212.

    Google Scholar 

  9. Istratov, E.N., Lyubimov, N.N., and Orlova, T.V., Dynamic Features of Altered States of Consciousness in Transcendental Meditation, Byull. Eksp. Biol. Med., 1996, no. 2, p. 128.

  10. Arambula, P., Peper, E., Kawakami, M., and Gibney, K.H., The Physiological Correlates of Kundalini Yoga Meditation: A Study of a Yoga Master, Appl. Psychophysiol. Biofeedback, 2001, vol. 26 (2), p. 147.

    Google Scholar 

  11. Kubota, Y., Sato, W., Toichi, M., et al., Frontal Midline Theta Rhythm Is Correlated with Cardiac Activities during the Performance of an Attention-Demanding Meditation Procedure, Brain Res. Cogn. Brain Res., 2001, vol. 11, p. 281.

    Google Scholar 

  12. Khare, K.S. and Nigam, S.K., A Study of Electroencephalogram in Meditators, Indian J. Physiol. Pharmacol., 2000, vol. 44 (2), p. 173.

    Google Scholar 

  13. Kamei, T., Toriumi, Y., Kimura, H., et al., Decrease in Serum. Cortisol during Yoga Exercise Is Correlated with Alpha Wave Activation, Percept. Mot. Skills, 2000, vol. 90, no. 3, part 1, p. 1027.

    Google Scholar 

  14. Delmonte, M.M., Electrocortical Activity and Related Phenomena Associated with Meditation Practice: A Literature Review, Int. J. Neurosci., 1984, vol. 24 (3, 4), p. 217.

    Google Scholar 

  15. Travis, F.T., Eyes Open and TM EEG Patterns after One and after Eight Years of TM Practice, Psychophysiology, 1991, vol. 28, no. 3 (a), p. 58.

    Google Scholar 

  16. Mason, L.I., Alexander, C.N., Travis, F.T., et al., Electrophysiological Correlates of Consciousness during Sleep in Long-Term Practitioners of the Transcendental Meditation Program, Sleep, 1997, vol. 20 (2), p. 102.

    Google Scholar 

  17. Lyubimov, N.N., EEG and Evoked Potentials Changes with the Use of a Special Form of Psychological Training (Meditation), Fiziol. Chel., 1999, vol. 25, no. 2, p. 56.

    Google Scholar 

  18. Travis, F. and Wallace, R.K., Autonomic and EEG Patterns during Eyes-Closed Rest and Transcendental Meditation (TM) Practice: The Basis for a Neural Model of TM Practice, Conscious. Cogn., 1999, vol. 8 (3), p. 302.

    Google Scholar 

  19. Travis, F., Tecce, J.J., and Guttman, J., Cortical Plasticity, Contingent Negative Variation, and Transcendent Experiences during Practice of the Transcendental Meditation Technique, Biol. Psychol., 2000, vol. 55 (1), p. 41.

    Google Scholar 

  20. Fedotchev, A.I., Bondar', A.T., and Akoev, I.G., Rhythmic EEG Structure of Humans: Present-Day State and Study Trends, Usp. Fiziol. Nauk, 2000, no. 3, p. 39.

  21. Sviderskaya, N.E. and Korol'kova, T.A., Spatial Organization of Electrical Brain Processes: Problems and Solutions, Zh. Vyssh. Nervn. Deyatel., 1997, vol. 47, no. 5, p. 792.

    Google Scholar 

  22. Harmony, T., Fernandez, T., Silva, J., et al., Do Specific EEG Techniques Indicate Different Processes during Mental Calculation?, Neurosci. Lett., 1999, vol. 266, p. 25.

    Google Scholar 

  23. Klimesch, W., EEG Alpha and Theta Oscillations Reflect Cognitive and Memory Performance: A Review and Analysis, Brain Res. Rev., 1999, vol. 29, p. 169.

    Google Scholar 

  24. Doppelmayr, M., Klimesch, W., Pachinger, T., and Ripper, B., Individual Differences in Brain Dynamics: Important Implications for the Calculation of Event-Related Band Power, Biol. Cybern., 1998, vol. 79, p. 49.

    Google Scholar 

  25. Doppelmayr, M., Klimesch, W., Schwaiger, J., et al., Theta Synchronization in the Human EEG and Episodic Retrieval, Neurosci. Lett., 1998, vol. 257 (1), no. 20, p. 41.

    Google Scholar 

  26. Rai, U.C., Medical Science Enlightened. Life Eternal Trust, London-New York, 1993

  27. Khanin, Yu.L., Cross-Cultural Perspectives of the Diagnosis of Individual Differences: Methodological and Conceptual Problems: Vopr. Psikhol., 1989, no. 4, p. 118.

  28. Spielberger, C.D., Gorsuch, R.L., Lushene, R., et al., Manual for the State-Trait Anxiety Inventory, Palo Alto, CA: Consulting Psychologists Press, 1983

    Google Scholar 

  29. Bagby, M., Parker, J.D.A., and Taylor, G.J., The Twenty-Item Toronto Alexithymia Scale-I. Item Selection and Cross Validation of the Factor Structure, J. Psychosom. Res., 1994, vol. 38, p. 23.

    Google Scholar 

  30. Hanin, Yu., Eysenck, S.B.G., Eysenck, H.J., and Barrett, P., A Cross-Cultural Study of Personality: Russia and England, Person. Individ. Differ., 1991, vol. 12, p. 265.

    Google Scholar 

  31. Semlitsch, H.V., Anderer, P., Schuster, P., and Presslich, O., A Solution for Reliable and Valid Reduction of Ocular Artifacts Applied to the P300 ERP, Psychophysiology, 1986, vol. 23, p. 695.

    Google Scholar 

  32. Severtsen, B. and Bruya, M.A., Effects of Meditation and Aerobic Exercise on EEG Patterns, J. Neurosci. Nurs., 1986, vol. 18, no. 4, p. 206.

    Google Scholar 

  33. Simonov, P.V., Emotsional'nyi mozg(Emotional Brain), Moscow: Nauka, 1981

    Google Scholar 

  34. Demiralp, T. and Basar, E., Theta Rhythmicities Following Expected Visual and Auditory Targets, Int. J. Psychophysiol., 1992, vol. 13 (2), p. 147.

    Google Scholar 

  35. Basar, E., Basar-Eroglu, C., Karakas, S., and Schurmann, M., Oscillatory Brain Theory: A New Trend in Neuroscience, IEEE Eng. Med. Biol. Mag., 1999, vol. 18, p. 56.

    Google Scholar 

  36. Sasaki, K., Nambu, A., Tsujimoto, T., et al., Studies on Integrative Functions of the Human Frontal Association Cortex with MEG, Brain Res. Cogn. Brain Res., 1996, vol. 5 (1, 2), p. 165.

    Google Scholar 

  37. Klimesch, W., Doppelmayr, M., Russegger, H., and Pachinger, T., Theta Band Power in the Human Scalp EEG and the Encoding of New Information, Neuroreport, 1996, vol. 17, no. 7 (7), p. 1235.

    Google Scholar 

  38. Krause, C.M., Viemero, V., Rosenqvist, A., et al., Relative Electroencephalographic Desynchronization and Synchronization in Humans to Emotional Film Content: An Analysis of the 4–6, 6–8, 8-10, and 10-12 Hz Frequency Bands, Neurosci. Lett., 2000, vol. 286 (1), no. 26, p. 9.

    Google Scholar 

  39. Aftanas, L.I., Varlamov, A.A., Pavlov, S.V., et al., Affective Picture Processing: Event-Related Synchronization within Individually Defined Human Theta Band Is Modulated by Valence Dimension, Neurosci. Lett., 2001, vol. 303, p. 115.

    Google Scholar 

  40. Hankins, T.C. and Wilson, G.F., A Comparison of Heart Rate, Eye Activity, EEG, and Subjective Measures of Pilot Mental Workload during Flight, Aviat. Space Environ. Med., 1998, vol. 69, no. 4, p. 360.

    Google Scholar 

  41. Inanaga, K., Frontal Midline Theta Rhythm and Mental Activity, Psychiatr. Clin. Neurosci., 1998, vol. 52, p. 555.

    Google Scholar 

  42. Ishii, R., Shinosaki, K., Ukai, S., et al., Medial Prefrontal Cortex Generates Frontal Midline Theta Rhythm, Neuroreport, 1999, vol. 10, p. 675.

    Google Scholar 

  43. Asada, H., Fukuda, Y., Tsunoda, S., et al., Frontal Midline Theta Rhythms Reflect Alternative Activation of Prefrontal Cortex and Anterior Cingulate Cortex in Humans, Neurosci. Lett., 1999, vol. 274, p. 29.

    Google Scholar 

  44. Allman, J.M., Hakeem, A., Erwin, J.M., et al., The Anterior Cingulate Cortex. The Evolution of an Interface between Emotion and Cognition, Ann. N.Y. Acad. Sci., 2001, vol. 935, p. 107.

    Google Scholar 

  45. Klimesch, W., Doppelmayr, M., Russegger, H., et al., Induced Alpha Band Power Changes in the Human EEG and Attention, Neurosci. Lett., 1998, vol. 244, p. 73.

    Google Scholar 

  46. Petsche, H., Approaches to Verbal, Visual, and Musical Creativity by EEG Coherence Analysis, Int. J. Psychophysiol., 1996, vol. 24, p. 145.

    Google Scholar 

  47. Weiss, S., Müller, H.M., and Rappelsberger, P., Theta Synchronization Predicts Efficient Memory Encoding of Concrete and Abstract Nouns, Neuroreport, 2000, vol. 11, p. 2357.

    Google Scholar 

  48. Hinrichs, H. and Machleidt, W., Basic Emotions Reflected in EEG-Coherences, Int. J. Psychophysiol., 1992, vol. 13, p. 225.

    Google Scholar 

  49. Aftanas, L.I., Lotova, N.V., Koshkarov, V.I., et al., Nonlinear Dynamic Complexity of the Human EEG during Evoked Emotions, Int. J. Psychophysiol., 1998, vol. 28, p. 63.

    Google Scholar 

  50. Crawford, H.J., Clarke, S.W., and Kitner-Triolo, M., Self-Generated Happy and Sad Emotions in Low and Highly Hypnotizable Persons during Waking and Hypnosis: Laterality and Regional EEG Activity Differences, Int. J. Psychophysiol., 1996, vol. 24, p. 239.

    Google Scholar 

  51. Aftanas, L.I., Lotova, N.V., Koshkarov, V.I., and Popov, S.A., Nonlinear Dynamical Coupling between Different Brain Areas during Evoked Emotions: An EEG Investigation, Biol. Psychol., 1998, vol. 48, p. 121.

    Google Scholar 

  52. Rusalova, M.N. and Kostyunina, M.B., Informational Theory of Emotions: A Psychophysiological Study of Mental Reproduction of Joy, Ross. Fiziol. Zh. im. I.M. Sechenova, 2000, vol. 86, no. 5, p. 548.

    Google Scholar 

  53. Davidson, R.J., Jackson, D.C., and Kalin, N.H., Emotion, Plasticity, Context, and Regulation: Perspectives from Affective Neuroscience, Psychol. Bull., 2000, vol. 126, p. 890.

    Google Scholar 

  54. Basar, E., Basar-Eroglu, C., Karakas, S., and Schurmann, M., Gamma, Alpha, Delta, and Theta Oscillations Govern Cognitive Processes, Int. J. Psychophysiol., 2001, vol. 39, p. 241.

    Google Scholar 

  55. Basar, E., Schurmann, M., and Sakowitz, O., The Selectively Distributed Theta System: Functions, Int. J. Psychophysiol., 2001, vol. 39, p. 197.

    Google Scholar 

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Authors and Affiliations

  1. Siberian Division, Russian Academy of Medical Sciences, Institute of Physiology, ul. Timakova 4, Novosibirsk, 630117, Russia

    L. I. Aftanas & S. A. Golosheikin

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  1. L. I. Aftanas
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  2. S. A. Golosheikin
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Aftanas, L.I., Golosheikin, S.A. Changes in Cortical Activity in Altered States of Consciousness: The Study of Meditation by High-Resolution EEG. Human Physiology 29, 143–151 (2003). https://doi.org/10.1023/A:1022986308931

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  • DOI: https://doi.org/10.1023/A:1022986308931

Keywords

  • Spectral Power
  • Meditative Practice
  • Altered State
  • Prefrontal Region
  • Narrow Frequency Band