The International journal of neuroscience
April 26, 2025
Yusheng Tong, Zhen Fan, Xiang Zou et al.
To evaluate the ability of median nerve stimulation (MNS)-induced high gamma band (HGB) activity in mapping the hand motor cortex at different states of consciousness. Five patients undergoing awake craniotomy were recruited. MNS-induced electrocorticographic signals were recorded from awake to anesthetic states, with the loss of consciousness (LOC) session divided into three stages (LOC1,...
The International journal of neuroscience
July 2010
Richard W F Cheng, Donald S Borrett, Weyland Cheng et al.
The effect of Qigong meditation on the hemodynamics of the prefrontal cortex was investigated by spectroscopy with a single-wavelength probe (650 nm) and confirmed by standard near-infrared spectroscopy with a dual-wavelength probe. Deoxyhemoglobin changes were recorded with the single-wavelength probe over the left prefrontal cortex during meditation by Qigong practitioners, and...
The International journal of neuroscience
2009
Zhen Qin, Yi Jin, Shin Lin et al.
A follow-up EEG study was conducted on a subject with 50 years of experiences in Qigong. Resting EEG at present showed frontally dominant alpha-1 as compared to occipitally dominant alpha-2 described in 1962. During the Qigong practice alph-1 enhanced quickly and became far more prominent than 50 years ago. Compared with baseline, these activities remained to be higher at rest after the Qigong...
The International journal of neuroscience
December 2006
S P Sarang, Shirley Telles
Cyclic meditation (CM) is a technique that combines "stimulating" and "calming" practices, based on a statement in ancient yoga texts suggesting that such a combination may be especially helpful to reach a state of mental equilibrium. The changes in the peak latency and peak amplitude of P300 auditory event-related potentials were studied before and after the practice of cyclic meditation...
The International journal of neuroscience
June 2005
Ljubomir Aftanas, Semen Golosheykin
The main objective of the present investigation was to examine how long-term meditation practice is manifested in EEG activity under conditions of non-emotional arousal (eyes-closed and eyes-open periods, viewing emotionally neutral movie clip) and while experiencing experimentally induced negative emotions (viewing aversive movie clip). The 62-channel EEG was recorded in age-matched control...
The International journal of neuroscience
July 2003
Petr Bob
History of the study of dissociation begins in the second half of the nineteenth century. It begins in the works of Hughlings Jackson and Pierre Janet, and markedly influences development of psychoanalysis and other psychological trends. According to the modern definition, dissociation represents a disturbance or alteration in the normally integrative functions of identity, memory, or...
The International journal of neuroscience
February 2003
Katarzyna Duchniewska, Andrzej Kokoszka
The hypothesis of the Basic Rest Activity Cycle (BRAC), that underlies approximately 90-min fluctuations in states of consciousness, has gained strong documentation during sleep in cyclical occurrence of its REM and NON-REM stages, however, there is no convicting evidence of this rhythm in waking. According to the concept of protective mechanisms of BRAC (Kokoszka, 1990), the rest phase of the...
The International journal of neuroscience
July 2001
F Travis, T Olson, T Egenes et al.
This study tested the prediction that reading Vedic Sanskrit texts, without knowledge of their meaning, produces a distinct physiological state. We measured EEG, breath rate, heart rate, and skin conductance during: (1) 15-min Transcendental Meditation (TM) practice; (2) 15-min reading verses of the Bhagavad Gita in Sanskrit; and (3) 15-min reading the same verses translated in German, Spanish,...
The International journal of neuroscience
2000
A Bielecki, A Kokoszka, P Holas
The review of the main existing approaches to consciousness in the literature indicates that consciousness is multileveled and that humans have an ability to experience a wide range of its various states. The common views of the main approaches to consciousness are identified and considered in a three-dimensional model of states of consciousness developed by Kokoszka. This model is then...
The International journal of neuroscience
June 1997
R Sandyk
Absent or markedly reduced REM sleep with cessation of dream recall has been documented in numerous neurological disorders associated with subcortical dementia including Parkinson's disease, progressive supranuclear palsy and Huntington's chorea. This report concerns a 69 year old Parkinsonian patient who experienced complete cessation of dreaming since the onset of motor disability 13 years...
The International journal of neuroscience
January 1997
S R Wenneberg, R H Schneider, K G Walton et al.
Cardiovascular responses to stress reactivity has been proposed as a risk factor for hypertension. In this study, we evaluated the effects of stress reduction on both laboratory cardiovascular reactivity and ambulatory blood pressure in real life on 39 normotensive male subjects who were pretested for ambulatory blood pressure and cardiovascular reactivity to stress using a battery of...
The International journal of neuroscience
July 1994
M A Tansey, J A Tansey, K H Tachiki
We analyzed monopolar recordings obtained from a brain area implicated in the implementation of conscious intention--the Supplementary Motor Area. Other monopolar recordings were taken at F3, F4, C3, C4, P3, P4, O1, O2, F7, F8, T3, T4, T5, T6, and Cz using the standard international (10/20) pattern with linked ears as reference. Using on line fast-fourier transforms of brainwave signals and...
The International journal of neuroscience
May 1994
S Telles, R Nagarathna, H R Nagendra et al.
Middle latency auditory evoked potentials were recorded in 18 male volunteers with ages between 25 and 45 years, 9 of whom had more than 10 years of experience in "Om" meditation (senior subjects), whereas the other 9 had no meditation experience (naive subjects). Both groups were studied in two types of sessions. (1) Before, during, and after 20 minutes of mentally repeating "one" (control...
The International journal of neuroscience
February 1993
A Kokoszka
Kepinski's model of "information metabolism" is a biological model which is based on the structural organization of the cell and which attempts to describe information processing in analogy to energy metabolism. The terms of control center, information transmission and transformation, energy requirements and boundaries are considered. The principles of this model are explained. The original...
The International journal of neuroscience
1992
S M Lillrank, S S Oja, T Seppälä et al.
Adult mice were exposed to long-term phencyclidine (PCP) treatments as animal models for psychosis. The drug was administered via osmotic minipumps implanted subcutaneously in the backs of the mice. The treatments for 7 days with 2.5 and 1 mg/d/mouse and the treatment for 3 days with 1 mg/d/mouse differentially affected the release of dopamine and D-aspartate from striatal and frontal cortical...
The International journal of neuroscience
September 1990
F T Travis, David W. Orme-Johnson
Frontal, central and parietal power and coherence of ten subjects practicing the TM-Sidhi technique of Yogic Flying (YF) were compared to that of ten controls who jumped from a seated position to approximate hopping during YF. All movement artifacts were removed before signal analyses. The most significant group differences were seen in the 2.12-second period just before lift-off: the YF...
The International journal of neuroscience
December 1989
F T Travis, D W Orme-Johnson
Changes in EEG coherence patterns were used to test a field model that posits a common field of "pure consciousness" linking all individuals. In ten trials, EEG was concurrently measured from pairs of subjects, one practicing Transcendental Meditation (TM) and the TM-Sidhi technique of "Yogic Flying" (YFg)--said to enliven the proposed field of consciousness--and the other performing a computer...
The International journal of neuroscience
July 1989
C H Bick
In 1985 I first reported my observations of stimuli-synchronized changes of EEG spectra occurring in 25 hypnotized patients. Electroencephalographic leads recorded separately for the left and right brain showed a switch of electrical activities from the left to the right hemisphere in right-handed persons. In the following study we changed the experimental conditions, using an EEG brain mapping...
The International journal of neuroscience
May 1989
C Gaylord, D Orme-Johnson, F Travis
Eighty-three black college students, staff and adults were pretested on EEG coherence, skin potential (SP) habituation to a series of loud tones, psychometric measures of mental health (Tennessee Self-Concept Empirical Scales and Spielberger State-Trait Anxiety Inventory) and IQ. They were then randomly assigned to one of the three treatment groups: the Transcendental Meditation technique (TM);...
The International journal of neuroscience
February 1989
S Freed
Detailed functional isomorphism had been observed (Freed, 1984) between induced (conditioned) immunogenicity and classical conditioned defensive reflexes, possibly as evolutionary adaptation against danger at micro and macro levels respectively. Similarly, functional isomorphism is postulated between conditioned specific tolerogenicity of the immunotolerance system and behavioral reflexes....
The International journal of neuroscience
November 1, 1988
M A Gillman
The euphorogenic and sexual effects of analgesic nitrous oxide have been long reported anecdotally; however, these effects have only recently been investigated scientifically. The effects of oxygen and analgesic nitrous oxide on sexual arousal provoked by visual erotic stimulation in male (n = 7) and female (n = 6) subjects, using both subjective and objective measures were assessed. Nitrous...
The International journal of neuroscience
March 1986
M C Dillbeck, S A Vesely
This study assesses variation in frontal bilateral EEG coherence among normal subjects during trials of a concept learning task; the task used a concept-reversal paradigm found from prior research to distinguish frontal lobe patients from normal adults. Subjects were either participants in the Transcendental Meditation (TM) program or controls matched for age, sex, and intellectual ability, and...
The International journal of neuroscience
November 1984
R K Wallace, David W. Orme-Johnson, P J Mills et al.
The paired H reflex, considered to be the electrically evoked counterpart of the monosynaptic stretch reflex, provides a measure of motoneuron excitability under a variety of experimental and clinical conditions. It also offers a potentially useful tool in examining the neurophysiologic basis of alterations in reflex response in different states of awareness. This study investigated the...
The International journal of neuroscience
November 1984
M M Delmonte
The state effects of meditation appear to include decreased electrocortical arousal. There is also evidence that meditators more readily demonstrate alpha and theta activity than nonmeditators, even when not meditating. It is not clear whether prospective meditators as a group already possessed this characteristic, or whether the state effects of meditation practice eventually generalize to...
The International journal of neuroscience
May 1982
D Orme-Johnson, M C Dillbeck, R K Wallace et al.
EEG coherence was measured between pairs of three different subjects during a one-hour period practice of the Transcendental Meditation (TM) program. Coherence between subjects was evaluated for two sequential fifteen minute periods. On six experimental days, these periods preceded and then coincided with a fifteen minute period during which 2500 students participated in the TM-Sidhi program at...