Brain Waves

Publication Title: 
Complementary Therapies in Clinical Practice

Previous research has shown the vast mental and physical health benefits associated with yoga. Yoga practice can be divided into subcategories that include posture-holding exercise (asana), breathing (pranayama, Kriya), and meditation (Sahaj) practice. Studies measuring mental health outcomes have shown decreases in anxiety, and increases in cognitive performance after yoga interventions. Similar studies have also shown cognitive advantages amongst yoga practitioners versus non-practitioners.

Author(s): 
Desai, Radhika
Tailor, Anisha
Bhatt, Tanvi
Publication Title: 
Complementary Therapies in Clinical Practice

Previous research has shown the vast mental and physical health benefits associated with yoga. Yoga practice can be divided into subcategories that include posture-holding exercise (asana), breathing (pranayama, Kriya), and meditation (Sahaj) practice. Studies measuring mental health outcomes have shown decreases in anxiety, and increases in cognitive performance after yoga interventions. Similar studies have also shown cognitive advantages amongst yoga practitioners versus non-practitioners.

Author(s): 
Desai, Radhika
Tailor, Anisha
Bhatt, Tanvi
Publication Title: 
Journal of Alternative and Complementary Medicine (New York, N.Y.)

OBJECTIVES: This study had two aims: (1) to explore the inner experiences associated with increased production of gamma brainwaves in an initial neurofeedback experience; and (2) to measure and compare neurofeedback-enhanced increased output from the prefrontal cortical region of meditators and non-meditators, using the Peak Brain Happiness Trainer(ô) neurofeedback system. DESIGN: This was a controlled pilot study; it involved a single session per subject. SETTING: The research was conducted in a nonprofit laboratory in the United States.

Author(s): 
Rubik, Beverly
Publication Title: 
Neuroscience and Biobehavioral Reviews

In continuing this three-part review on validation of EEG-neurofeedback for optimal performance evidence is first provided for feedback influences on the CNS, the integration of EEG with fMRI methodology as well as anatomical correlates. Then whereas Parts I and II reviewed the considerable behavioural outcome gains and evidence for their feedback causation, part III lays bare the not inconsiderable methodological and theoretical conundrums. Cardinal assumptions amongst practitioners about specificity of topography, behavioural outcome and frequency bands are critically examined.

Author(s): 
Gruzelier, John H.
Publication Title: 
Anesthesia and Analgesia

BACKGROUND: Nitrous oxide (N(2)O) is one of the oldest analgesics/adjuvant agents still in use today; however, its effects on the human electroencephalogram (EEG) remain unclear. It has been proposed that N(2)O may enhance higher-frequency EEG activity (often indicative of alert states and cognition) duration sedation. This possibly paradoxical effect has been used to explain the failure of many EEG monitors to capture the effects of N(2)O on patient state during anesthesia.

Author(s): 
Foster, Brett L.
Liley, David T. J.
Publication Title: 
Journal of Neurology, Neurosurgery, and Psychiatry

OBJECTIVE: Dissociation is a mental process with psychological and somatoform manifestations, which is closely related to hypnotic suggestibility and essentially shows the ability to obtain distance from reality. An increased tendency to dissociate is a frequently reported characteristic of patients with functional neurological symptoms and syndromes (FNSS), which account for a substantial part of all neurological admissions. This review aims to investigate what heart rate variability (HRV), EEG and neuroimaging data (MRI) reveal about the nature of dissociation and related conditions.

Author(s): 
van der Kruijs, Sylvie J. M.
Bodde, Nynke M. G.
Carrette, Evelien
Lazeron, Richard H. C.
Vonck, Kristl E. J.
Boon, Paul A. J. M.
Langereis, Geert R.
Cluitmans, Pierre J. M.
Feijs, Loe M. G.
Hofman, Paul A. M.
Backes, Walter H.
Jansen, Jacobus F. A.
Aldenkamp, A. P.
Publication Title: 
Experimental Neurology

Electrolytic lesion of the medial septum, a basal forebrain nucleus that projects to the hippocampus, prolonged the emergence from general anesthesia in rats. Septal lesioned rats required a longer time to recover from a loss of righting reflex (LORR) and a loss of tail-pinch response after injectable (20 mg/kg i.p. pentobarbital, 5mg/kg i.v. propofol) or volatile (1.5% halothane, 2% isoflurane) anesthetic. When incremental doses of propofol were given i.p., septal lesioned rats as compared to control rats showed LORR at a lower dose of propofol.

Author(s): 
Leung, L. Stan
Ma, Jingyi
Shen, Bixia
Nachim, Ilan
Luo, Tao
Publication Title: 
Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology

OBJECTIVE: A number of studies provide supporting evidence for changes in synchronization during anesthetic-induced unconsciousness. This study investigates how anesthetic administration affects the widespread patterns of phase synchrony. METHODS: The recently introduced method of Spatial Analytic Phase Difference (SAPD) was used to measure changes in synchrony in the electroencephalogram (EEG) activity of 29 patients undergoing routine surgery. Analysis was performed over 9 frequency bands: (i) ? (1.5-3.5Hz); (ii) ?

Author(s): 
Nicolaou, N.
Georgiou, J.
Publication Title: 
Complementary Therapies in Medicine

OBJECTIVES: Aromatherapy massage is commonly used for the stress management of healthy individuals, and also has been often employed as a therapeutic use for pain control and alleviating psychological distress, such as anxiety and depression, in oncological palliative care patients. However, the exact biological basis of aromatherapy massage is poorly understood.

Author(s): 
Wu, Jin-Ji
Cui, Yanji
Yang, Yoon-Sil
Kang, Moon-Seok
Jung, Sung-Cherl
Park, Hyeung Keun
Yeun, Hye-Young
Jang, Won Jung
Lee, Sunjoo
Kwak, Young Sook
Eun, Su-Yong
Publication Title: 
Journal of Alternative and Complementary Medicine (New York, N.Y.)

OBJECTIVES: Electroencephalography (EEG) offers psychophysiologic tools to improve sensitivity for detecting objective effects in complementary and alternative medicine. This current investigation extended prior clinical research studies to evaluate effects of one of two different homeopathic remedies on resting EEG cordance after an olfactory activation protocol on healthy young adults with remedy-relevant, self-perceived characteristics.

Author(s): 
Bell, Iris R.
Howerter, Amy
Jackson, Nicholas
Brooks, Audrey J.
Schwartz, Gary E.

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