Search results for '*Electroencephalography' (try it on Scholar)

53 found
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  1.  5
    Rhodri Hayward (2001). The Tortoise and the Love-Machine: Grey Walter and the Politics of Electroencephalography. Science in Context 14 (4).
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  2. W. G. Walter (1951). Electroencephalography. Scientia 45 (86):65.
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  3.  16
    Henda Foreid, Carla Bentes & José Pimentel (2010). The Use of Placebo as a Provocative Test in the Diagnosis of Psychogenic Non Epileptic Seizures. Neuroethics 3 (2):95-98.
    Psychogenic non epileptic seizures (PNES) are clinical events of psychological nature. Video-electroencephalography monitoring (V-EEGM) is a valuable method for the diagnosis of PNES and may be combined with provocative tests to induce seizures. The use of placebo in provocative tests for the diagnosis of PNES is controversial because of associated deception, and contrasts with the use of truly decreasing epileptogenic threshold techniques such as hyperventilation and photo stimulation. We present a clinical case of a pregnant woman with a past history (...)
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  4.  6
    Charles Weijer, Andrew Peterson, Fiona Webster, Mackenzie Graham, Damian Cruse, Davinia Fernández-Espejo, Teneille Gofton, Laura E. Gonzalez-Lara, Andrea Lazosky, Lorina Naci, Loretta Norton, Kathy Speechley, Bryan Young & Adrian M. Owen (2014). Ethics of Neuroimaging After Serious Brain Injury. BMC Medical Ethics 15 (1):41.
    Patient outcome after serious brain injury is highly variable. Following a period of coma, some patients recover while others progress into a vegetative state (unresponsive wakefulness syndrome) or minimally conscious state. In both cases, assessment is difficult and misdiagnosis may be as high as 43%. Recent advances in neuroimaging suggest a solution. Both functional magnetic resonance imaging and electroencephalography have been used to detect residual cognitive function in vegetative and minimally conscious patients. Neuroimaging may improve diagnosis and prognostication. These techniques (...)
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  5.  6
    Matthew M. Botvinick, Jonathan D. Cohen & Cameron S. Carter (2004). Conflict Monitoring and Anterior Cingulate Cortex: An Update. Trends in Cognitive Sciences 8 (12):539-546.
    One hypothesis concerning the human dorsal anterior cingulate cortex (ACC) is that it functions, in part, to signal the occurrence of conflicts in information processing, thereby triggering compensatory adjustments in cognitive control. Since this idea was first proposed, a great deal of relevant empirical evidence has accrued. This evidence has largely corroborated the conflict-monitoring hypothesis, and some very recent work has provided striking new support for the theory. At the same time, other findings have posed specific challenges, especially concerning the (...)
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  6.  9
    A. D. Wagner, B. J. Shannon, I. Kahn & R. L. Buckner (2005). Parietal Lobe Contributions to Episodic Memory Retrieval. Trends in Cognitive Sciences 9 (9):445-453.
  7.  2
    T. Blackford, P. J. Holcomb, J. Grainger & G. R. Kuperberg (2012). A Funny Thing Happened on the Way to Articulation: N400 Attenuation Despite Behavioral Interference in Picture Naming. Cognition 123 (1):84-99.
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  8.  21
    Jessica A. Grahn (2012). Neural Mechanisms of Rhythm Perception: Current Findings and Future Perspectives. Topics in Cognitive Science 4 (4):585-606.
    Perception of temporal patterns is fundamental to normal hearing, speech, motor control, and music. Certain types of pattern understanding are unique to humans, such as musical rhythm. Although human responses to musical rhythm are universal, there is much we do not understand about how rhythm is processed in the brain. Here, I consider findings from research into basic timing mechanisms and models through to the neuroscience of rhythm and meter. A network of neural areas, including motor regions, is regularly implicated (...)
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  9.  5
    M. D. Rugg & T. Curran (2007). Event-Related Potentials and Recognition Memory. Trends in Cognitive Sciences 11 (6):251-257.
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  10.  43
    Karim Jebari (2013). Brain Machine Interface and Human Enhancement – An Ethical Review. Neuroethics 6 (3):617-625.
    Brain machine interface (BMI) technology makes direct communication between the brain and a machine possible by means of electrodes. This paper reviews the existing and emerging technologies in this field and offers a systematic inquiry into the relevant ethical problems that are likely to emerge in the following decades.
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  11.  3
    Durk Talsma, Daniel Senkowski, Salvador Soto-Faraco & Marty G. Woldorff (2010). The Multifaceted Interplay Between Attention and Multisensory Integration. Trends in Cognitive Sciences 14 (9):400.
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  12. S. Makeig, T. Jung & Terrence J. Sejnowski (2000). Awareness During Drowsiness: Dynamics and Electrophysiological Correlates. Canadian Journal of Experimental Psychology 54 (4):266-273.
  13.  62
    Boris Kotchoubey, Andrea Kübler, Ute Strehl, Herta Flor & Niels Birbaumer (2002). Can Humans Perceive Their Brain States? Consciousness and Cognition 11 (1):98-113.
    Although the brain enables us to perceive the external world and our body, it remains unknown whether brain processes themselves can be perceived. Brain tissue does not have receptors for its own activity. However, the ability of humans to acquire self-control of brain processes indicates that the perception of these processes may also be achieved by learning. In this study patients learned to control low-frequency components of their EEG: the so-called slow cortical potentials (SCPs). In particular ''probe'' sessions, the patients (...)
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  14.  7
    Vaughn R. Steele & Staley (2013). Sexual Desire, Not Hypersexuality, is Related to Neurophysiological Responses Elicited by Sexual Images. Socioaffective Neuroscience and Psychology 3.
  15. L. I. Aftanas & S. A. Golosheikin (2003). Changes in Cortical Activity in Altered States of Consciousness: The Study of Meditation by High-Resolution EEG. Human Physiology 29 (2):143-151.
  16.  67
    M. N. Rusalova (2006). Frequency-Amplitude Characteristics of the EEG at Different Levels of Consciousness. Neuroscience and Behavioral Physiology 36 (4):351-358.
  17.  16
    Christopher Summerfield, Anthony Ian Jack & Adrian Philip Burgess (2002). Induced Gamma Activity is Associated with Conscious Awareness of Pattern Masked Nouns. International Journal of Psychophysiology 44 (2):93-100.
  18.  11
    Adrian P. Burgess & Lia Ali (2002). Functional Connectivity of Gamma EEG Activity is Modulated at Low Frequency During Conscious Recollection. International Journal of Psychophysiology 46 (2):91-100.
  19.  29
    Alexander Provost, Blake Johnson, Frini Karayanidis, Scott D. Brown & Andrew Heathcote (2013). Two Routes to Expertise in Mental Rotation. Cognitive Science 37 (7):1321-1342.
    The ability to imagine objects undergoing rotation (mental rotation) improves markedly with practice, but an explanation of this plasticity remains controversial. Some researchers propose that practice speeds up the rate of a general-purpose rotation algorithm. Others maintain that performance improvements arise through the adoption of a new cognitive strategy—repeated exposure leads to rapid retrieval from memory of the required response to familiar mental rotation stimuli. In two experiments we provide support for an integrated explanation of practice effects in mental rotation (...)
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  20.  23
    Claudio Babiloni, Fabrizio Vecchio, Alessandro Bultrini, Gian Luca Romani & Paolo Maria Rossini (2006). Pre- and Poststimulus Alpha Rhythms Are Related to Conscious Visual Perception: A High-Resolution EEC Study. Cerebral Cortex 16 (12):1690-1700.
  21.  5
    Murray Glanzer, Robert M. Chapman, William H. Clark & Henry R. Bragdon (1964). Changes in Two EEG Rhythms During Mental Activity. Journal of Experimental Psychology 68 (3):273.
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  22.  4
    C. Shagass & E. P. Johnson (1943). The Course of Acquisition of a Conditioned Response of the Occipital Alpha Rhythm. Journal of Experimental Psychology 33 (3):201.
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  23.  3
    Gary E. Schwartz (2000). Individual Differences in Subtle Awareness and Levels of Awareness: Olfaction as a Model System. In Robert G. Kunzendorf & B. Alan Wallace (eds.), Individual Differences in Conscious Experience. John Benjamins 209.
  24.  3
    Eun-Ju Lee, Gusang Kwon, Hyun Jun Shin, Seungeun Yang, Sukhan Lee & Minah Suh (2013). The Spell of Green: Can Frontal EEG Activations Identify Green Consumers? Journal of Business Ethics 122 (3):1-11.
    Green consumers are those who seek to fulfill economic responsibility with their choices of environment-friendly products. Previous research found that it is not easy to identify green consumers by using traditional demographic or psychographic measurements due to the instability of moral attitude and actual behavior. The frontal theta brain waves of 19 right-handed respondents were recorded and analyzed in a choice task between an environment-friendly (green) product and a conventional product. Product information, which was provided to the respondents, included written (...)
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  25.  2
    C. E. Henry (1941). Electroencephalographic Individual Differences and Their Constancy: I. During Sleep. Journal of Experimental Psychology 29 (2):117.
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  26.  5
    Glenn F. Wilson, George A. Reis & Lloyd D. Tripf (2005). EEG Correlates of G-Induced Loss of Consciousness. Aviation, Space, and Environmental Medicine 76 (1):19-27.
  27.  1
    Robert W. Lansing, Edward Schwartz & Donald B. Lindsley (1959). Reaction Time and EEG Activation Under Alerted and Nonalerted Conditions. Journal of Experimental Psychology 58 (1):1.
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  28.  1
    L. Leshan & A. Farber (1946). The Bentonite Electrode. Journal of Experimental Psychology 36 (4):371.
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  29. P. V. Bundzen, V. V. Zagrantsev, K. G. Korotkov, P. Leisner & L. -E. Unestahl (2000). Comprehsnive Bioelectrographic Analysis of Mechanisms of the Alternative State of Consciousness. Human Physiology 26 (5):558-566.
     
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  30. Jean-Michel Guérit (2005). Neurophysiological Patterns of Vegetative and Minimally Conscious States. Neuropsychological Rehabilitation. Vol 15 (3-4):357-371.
  31. C. E. Henry (1941). Electroencephalographic Individual Differences and Their Constancy: II. During Waking. Journal of Experimental Psychology 29 (3):236.
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  32. K. Konno, Y. Katayama & T. Yamamoto (2002). Consciousness and the Intercortical Correlation Function of Electroencephalograms. In Kunio Yasue, Marj Jibu & Tarcisio Della Senta (eds.), No Matter, Never Mind. John Benjamins
     
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  33. Paul L. Nunez & Ramesh Srinivasan (2006). A Theoretical Basis for Standing and Traveling Brain Waves Measured with Human EEG with Implications for an Integrated Consciousness. Clinical Neurophysiology 117 (11):2424-2435.
     
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  34. M. A. Richards, S. A. Koren & M. A. Persinger (2002). Circumcerebral Application of Weak Complex Magnetic Fields with Derivatives and Changes in Electroencephalographic Power Spectra Within the Theta Range: Implications for States of Consciousness. Perceptual and Motor Skills 95 (2):671-686.
     
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  35. Rolf Verleger & Piotr Jaskowski (2006). Effects of Masked Stimuli on Attention and Response Tendencies as Revealed by Event-Related EEG Potentials: Possible Application to Understanding Neglect. In Haluk Ögmen & Bruno G. Breitmeyer (eds.), The First Half Second: The Microgenesis and Temporal Dynamics of Unconscious and Conscious Visual Processes. MIT Press 225-241.
  36.  92
    Yu Bai, Timothy Lane, Georg Northoff & et al (2015). Resting State Glutamate Predicts Elevated Pre-Stimulus Alpha During Self-Relatedness: A Combined EEG-MRS Study on 'Rest-Self' Overlap. Social Neuroscience:DOI:10.1080/17470919.2015.107258.
    Recent studies have demonstrated neural overlap between resting state activity and self-referential processing. This “rest-self” overlap occurs especially in anterior cortical midline structures like the perigenual anterior cingulate cortex (PACC). However, the exact neurotemporal and biochemical mechanisms remain to be identified. Therefore, we conducted a combined electroencephalography (EEG)-magnetic resonance spectroscopy (MRS) study. EEG focused on pre-stimulus (e.g., prior to stimulus presentation or perception) power changes to assess the degree to which those changes can predict subjects’ perception (and (...)
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  37.  20
    Antoine Lutz, Mental Training Enhances Attentional Stability: Neural and Behavioral Evidence.
    The capacity to stabilize the content of attention over time varies among individuals, and its impairment is a hallmark of several mental illnesses. Impairments in sustained attention in patients with attention disorders have been associated with increased trial-to-trial variability in reaction time and event-related potential deficits during attention tasks. At present, it is unclear whether the ability to sustain attention and its underlying brain circuitry are transformable through training. Here, we show, with dichotic listening task performance and electroencephalography, that training (...)
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  38.  7
    UnCheol Lee, George A. Mashour, Seunghwan Kim, Gyu-Jeong Noh & Byung-Moon Choi (2009). Propofol Induction Reduces the Capacity for Neural Information Integration: Implications for the Mechanism of Consciousness and General Anesthesia. Consciousness and Cognition 18 (1):56-64.
    The cognitive unbinding paradigm suggests that the synthesis of neural information is attenuated by general anesthesia. Here, we analyzed the functional organization of brain activities in the conscious and anesthetized states, based on functional segregation and integration. Electroencephalography recordings were obtained from 14 subjects undergoing induction of general anesthesia with propofol. We quantified changes in mean information integration capacity in each band of the EEG. After induction with propofol, mean information integration capacity was reduced most prominently in the γ band (...)
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  39.  34
    B. Libet, E. Wright & C. Gleason (1982). Readiness Potentials Preceding Unrestricted Spontaneous Pre-Planned Voluntary Acts. Electroencephalography and Clinical Neurophysiology 54:322-325.
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  40. Han Lee & Gregory V. Simpson (2005). Phase Locking of Single Neuron Activity to Theta Oscillations During Working Memory in Monkey Extrastriate Visual Cortex. Neuron 45:147-156.
    activity” has been considered to play a major role in the short-term maintenance of memories. Many studies since then have provided support for this view and greatly advanced our knowledge of the effects of stimulus type and modality on delay activity and its temporal dynamics. In humans, working memory has also been a subject of intense investigation using scalp and intracranial electroencephalography as well as magnetoencephalography, which provide estimates of local population activity. The published findings include reports (...)
     
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  41.  69
    Andrew A. Fingelkurts, Alexander A. Fingelkurts, Sergio Bagnato, Cristina Boccagni & Giuseppe Galardi (2013). Prognostic Value of Resting-State EEG Structure in Disentangling Vegetative and Minimally Conscious States: A Preliminary Study. Neurorehabilitation and Neural Repair 27 (4):345-354.
    Background: Patients in a vegetative state pose problems in diagnosis, prognosis and treatment. Currently, no prognostic markers predict the chance of recovery, which has serious consequences, especially in end-of-life decision-making. -/- Objective: We aimed to assess an objective measurement of prognosis using advanced electroencephalography (EEG). -/- Methods: EEG data (19 channels) were collected in 14 patients who were diagnosed to be persistently vegetative based on repeated clinical evaluations at 3 months following brain damage. EEG structure parameters (amplitude, duration and (...)
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  42. Lauren Reinerman-Jones, Brandon Sollins, Shaun Gallagher & Bruce Janz (2013). Neurophenomenology: An Integrated Approach to Exploring Awe and Wonder. South African Journal of Philosophy 32 (4):295-309.
    Astronauts often report experiences of awe and wonder while traveling in space. This paper addresses the question of whether awe and wonder can be scientifically investigated in a simulated space travel scenario using a neurophenomenological method. To answer this question, we created a mixed-reality simulation similar to the environment of the International Space Station. Portals opened to display simulations of Earth or Deep Space. However, the challenge still remained of how to best capture the resulting experience of participants. We could (...)
     
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  43.  11
    UnCheol Lee, Seunghwan Kim, Gyu-Jeong Noh, Byung-Moon Choi, Eunjin Hwang & George A. Mashour (2009). The Directionality and Functional Organization of Frontoparietal Connectivity During Consciousness and Anesthesia in Humans. Consciousness and Cognition 18 (4):1069-1078.
    Frontoparietal connectivity has been suggested to be important in conscious processing and its interruption is thought to be one mechanism of general anesthesia. Data in animals demonstrate that feedforward processing of information may persist during the anesthetized state, while feedback processing is inhibited. We investigated the directionality and functional organization of frontoparietal connectivity in 10 human subjects anesthetized with propofol on two separate occasions. Multichannel electroencephalography and a computational method of assessing directed functional connectivity were employed. We demonstrate that directed (...)
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  44.  18
    Paul L. Nunez (2000). Toward a Quantitative Description of Large-Scale Neocortical Dynamic Function and EEG. Behavioral and Brain Sciences 23 (3):371-398.
    A general conceptual framework for large-scale neocortical dynamics based on data from many laboratories is applied to a variety of experimental designs, spatial scales, and brain states. Partly distinct, but interacting local processes (e.g., neural networks) arise from functional segregation. Global processes arise from functional integration and can facilitate (top down) synchronous activity in remote cell groups that function simultaneously at several different spatial scales. Simultaneous local processes may help drive (bottom up) macroscopic global dynamics observed with electroencephalography (EEG) or (...)
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  45.  1
    J. E. Tomberg Desmedt (1995). Consciousness. Electroencephalography and Clinical Neurophysiology, Supplement 44:227-34.
  46.  27
    C. M. H. Nunn, Christopher J. S. Clarke & B. H. Blott (1994). Collapse of a Quantum Field May Affect Brain Function. Journal of Consciousness Studies 1 (1):127-39.
    Experiments are described, using electroencephalography (EEG) and simple tests of performance, which support the hypothesis that collapse of a quantum field is of importance to the functioning of the brain. The theoretical basis of our experiments is derived from Penrose (1989) who suggested that conscious decision-making is a manifestation of the outcome of quantum computation in the brain involving collapse of some relevant wave function. He also proposed that collapse of any wave function depends on a gravitational criterion. As different (...)
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  47.  5
    Joseph Howard Spear (2004). Cumulative Change in Scientific Production: Research Technologies and the Structuring of New Knowledge. Perspectives on Science 12 (1):55-85.
    : This paper seeks to contribute to the development of a sociological understanding of scientific change. It first presents a conceptual framework for defining and understanding the conditions that give rise to episodes of cumulative change (both as the selective reconstruction of events and as the patterned structuring of innovations over time and across different settings). It argues that one of the most powerful structuring mechanisms is the existence of standardized research technologies. Then, the development of electroencephalography (EEG) is presented (...)
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  48.  3
    A. P. Rudell & J. Hua (1996). The Recognition Potential and Conscious Awareness. Electroencephalography and Clinical Neurophysiology 98:309-318.
  49.  4
    Ariel Furstenberg (2013). Proximal Intentions, Non-Executed Proximal Intentions and Change of Intentions. Topoi 33 (1):1-10.
    This paper investigates the conceptual and empirical possibility of non-executed, non-conscious proximal intentions, i.e., non-conscious proximal intentions to act that do not turn into a final act, but perhaps are vetoed or overcome by an alternative action. It constructs a conceptual framework in which such cases are justifiably considered ‘proximal intentions’. This is achieved by combining Alfred Mele’s notion of non-conscious proximal intentions together with the notion of trying or striving taken from Brian O’Shaughnessy’s model of action. With this framework (...)
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  50.  13
    Stanley Krippner (2008). Learning From the Spirits: Candomblé, Umbanda, and Kardecismo in Recife, Brazil. Anthropology of Consciousness 19 (1):1-32.
    Brazilian spiritistic religions have developed along elaborate historical and cultural trajectories with spirit mediumship as a central feature of ritual practice in Candomblé, Umbanda, Kardecismo, and similar groups. In these studies, several Brazilian spiritistic practitioners who worked as mediums were interviewed and, in some cases, tested with psychological measures for dissociation using the Dissociative Experiences Scale, for absorption using the Tellegen Absorption Scale, and for sexual orientation using the Kinsey Scale. Few significant gender differences were noted in these measures. In (...)
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