Gennady G Knyazev

Summary

Affiliation: Siberian Division
Country: Russia

Publications

  1. ncbi Motivation, emotion, and their inhibitory control mirrored in brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk, 630117, Russia
    Neurosci Biobehav Rev 31:377-95. 2007
  2. ncbi Substance use underlying behavior: investigation of theta and high frequency oscillations in emotionally relevant situations
    G G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Clin EEG Neurosci 40:1-4. 2009
  3. ncbi Anxiety and oscillatory responses to emotional facial expressions
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, Novosibirsk, 630117, Russia
    Brain Res 1227:174-88. 2008
  4. doi Impulsivity, anxiety, and individual differences in evoked and induced brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Int J Psychophysiol 68:242-54. 2008
  5. doi A failure to stop and attention fluctuations: an evoked oscillations study of the stop-signal paradigm
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova Street, 4, Novosibirsk, 630117, Russia
    Clin Neurophysiol 119:556-67. 2008
  6. ncbi Anxious apprehension increases coupling of delta and beta oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk 630117, Russia
    Int J Psychophysiol 61:283-7. 2006
  7. ncbi Anxiety and synchrony of alpha oscillations
    Gennadij G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk
    Int J Psychophysiol 57:175-80. 2005
  8. ncbi Uncertainty, anxiety, and brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Laboratory of Memory Regulation, SB RAMS, Timakova Str 4, Novosibirsk 630117, Russia
    Neurosci Lett 387:121-5. 2005
  9. ncbi Alpha synchronization and anxiety: implications for inhibition vs. alertness hypotheses
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk 630117, Russia
    Int J Psychophysiol 59:151-8. 2006
  10. doi Reciprocal relationships between the oscillatory systems of the brain
    G G Knyazev
    State Research Institute of Physiology, Siberian Branch, Russian Academy of Medical Sciences, Novosibirsk, Russia
    Neurosci Behav Physiol 40:29-35. 2010

Detail Information

Publications25

  1. ncbi Motivation, emotion, and their inhibitory control mirrored in brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk, 630117, Russia
    Neurosci Biobehav Rev 31:377-95. 2007
    ..This reciprocal relationship may reflect an inhibitory control over motivational and emotional drives which is implemented by the prefrontal cortex...
  2. ncbi Substance use underlying behavior: investigation of theta and high frequency oscillations in emotionally relevant situations
    G G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Clin EEG Neurosci 40:1-4. 2009
    ..Theta-gamma coupling increased in high Drive scorers (those above the median) in reward and in low Drive scorers (those who appeared to be below the median split on this scale) in punishment situation...
  3. ncbi Anxiety and oscillatory responses to emotional facial expressions
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, Novosibirsk, 630117, Russia
    Brain Res 1227:174-88. 2008
    ..The results are discussed in terms of conscious and controlled vs. unconscious and intuitive information processing associated with explicit and implicit personality measures...
  4. doi Impulsivity, anxiety, and individual differences in evoked and induced brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Int J Psychophysiol 68:242-54. 2008
    ....
  5. doi A failure to stop and attention fluctuations: an evoked oscillations study of the stop-signal paradigm
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova Street, 4, Novosibirsk, 630117, Russia
    Clin Neurophysiol 119:556-67. 2008
    ..One possible way to approach this question is to resort to measures of evoked oscillations since functional correlates of different frequency oscillations are relatively well understood...
  6. ncbi Anxious apprehension increases coupling of delta and beta oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk 630117, Russia
    Int J Psychophysiol 61:283-7. 2006
    ..Contrariwise, delta-beta coupling appeared only in anxiogenic situation both in high and low anxiety subjects...
  7. ncbi Anxiety and synchrony of alpha oscillations
    Gennadij G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk
    Int J Psychophysiol 57:175-80. 2005
    ..These findings are discussed in terms of alpha synchronization as an active process, allowing dynamic regulation of alpha system preparedness for processing of external stimuli...
  8. ncbi Uncertainty, anxiety, and brain oscillations
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Laboratory of Memory Regulation, SB RAMS, Timakova Str 4, Novosibirsk 630117, Russia
    Neurosci Lett 387:121-5. 2005
    ..Increase of delta-gamma coupling in anxiogenic situation is interpreted to reflect higher cortical arousal, which appears in a frustrating situation in subjects with higher activity of "motivational" delta system...
  9. ncbi Alpha synchronization and anxiety: implications for inhibition vs. alertness hypotheses
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk 630117, Russia
    Int J Psychophysiol 59:151-8. 2006
    ..These findings are discussed in terms of functional significance of alpha band synchronization and desynchronization...
  10. doi Reciprocal relationships between the oscillatory systems of the brain
    G G Knyazev
    State Research Institute of Physiology, Siberian Branch, Russian Academy of Medical Sciences, Novosibirsk, Russia
    Neurosci Behav Physiol 40:29-35. 2010
    ..In children, an analogous relationship was seen between anxiety and the strength of the reciprocal relationship between the theta and delta systems. The data are discussed in the light of the evolutionary interpretation of EEG rhythms...
  11. ncbi Alpha oscillations as a correlate of trait anxiety
    Gennadij G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova Street, 4, Novosibirsk 630117, Russia
    Int J Psychophysiol 53:147-60. 2004
    ..These findings are interpreted as an indication of higher vigilance and higher reactivity of alpha system in anxious individuals...
  12. ncbi Personality trait of behavioral inhibition is associated with oscillatory systems reciprocal relationships
    Gennadij G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk 630117, Russia
    Int J Psychophysiol 48:247-61. 2003
    ..Although the presented empirical data partly supported the theory, it remains to be speculative and needs further empirical validation...
  13. ncbi Socio-economic and school factors of psychological and physical health in Siberian schoolchildren
    G G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Int J Circumpolar Health 60:268-74. 2001
    ..Low academic attainment tends to be connected with Externalising Problems, while higher attainment could be connected with somatisation and physical illness...
  14. doi Is cortical distribution of spectral power a stable individual characteristic?
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Int J Psychophysiol 72:123-33. 2009
    ..Enhanced or diminished oscillatory activity of some cortical regions, such as the prefrontal cortex, may play an important role in organization of human behavior...
  15. ncbi Hostility- and gender-related differences in oscillatory responses to emotional facial expressions
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk 630117, Russia
    Aggress Behav 35:502-13. 2009
    ..This synchronization is tentatively explained as a manifestation of inhibitory control which is present in aggressive females, but not in aggressive males...
  16. doi Cortical oscillatory dynamics in a social interaction model
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Behav Brain Res 241:70-9. 2013
    ..Results are discussed in light of the concept linking induced responses with top-down and evoked responses with bottom-up processes...
  17. doi The relationship of positive and negative expressiveness to the processing of emotion information
    Gennady G Knyazev
    Siberian Branch of Russian Academy of Medical Sciences, Institute of Physiology, Novosibirsk, Russia
    Scand J Psychol 53:206-15. 2012
    ..The effects of positive expressiveness occurred in cortical areas that deal with emotions, but the effects of negative expressiveness occurred in areas engaged in self-referential processes in the context of social relationships...
  18. doi Extraversion and fronto-posterior EEG spectral power gradient: an independent component analysis
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Biol Psychol 89:515-24. 2012
    ..These results are taken to indicate higher tonic activity in OFC and lower activity in DMN in extraverts as compared to introverts...
  19. doi The default mode network and EEG α oscillations: an independent component analysis
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Brain Res 1402:67-79. 2011
    ..This evidence implies that synchronization of internal mental processes, as opposed to the processing of external stimuli, might be the primary function of alpha oscillations which is bound to be related to activity of the DMN...
  20. doi Cross-frequency coupling of brain oscillations: an impact of state anxiety
    Gennady G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk 630117, Russia
    Int J Psychophysiol 80:236-45. 2011
    ....
  21. doi Gender differences in implicit and explicit processing of emotional facial expressions as revealed by event-related theta synchronization
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova Str 4, Novosibirsk, Russia
    Emotion 10:678-87. 2010
    ..Implications of these gender differences in emotion processing for well-documented differences in social behavior are discussed...
  22. ncbi Behavioural activation as predictor of substance use: mediating and moderating role of attitudes and social relationships
    Gennadij G Knyazev
    State Research Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk 630117, Russia
    Drug Alcohol Depend 75:309-21. 2004
    ..Among attitude variables, Outings acted as the most potent predictor of substance use. Relationship with parents was a protective factor, which acted most strongly in adolescents with higher Psychoticism and Extraversion...
  23. doi EEG correlates of spontaneous self-referential thoughts: a cross-cultural study
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Int J Psychophysiol 86:173-81. 2012
    ..The enhanced alpha activity prevailed in the posterior DMN hub in Russian, but in the anterior DMN hub in Taiwanese participants. Possible cross-cultural differences in personality and attitudes underlying this difference are discussed...
  24. doi Comparison of spatial and temporal independent component analyses of electroencephalographic data: a simulation study
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Novosibirsk, Russia
    Clin Neurophysiol 124:1557-69. 2013
    ..Here a bunch of analytical approaches derived from fMRI domain are applied to simulated EEG data and results are compared with results of traditional EEG analysis...
  25. doi EEG delta oscillations as a correlate of basic homeostatic and motivational processes
    Gennady G Knyazev
    Institute of Physiology, Siberian Branch of the Russian Academy of Medical Sciences, Timakova str, 4, Novosibirsk, 630117, Russia
    Neurosci Biobehav Rev 36:677-95. 2012
    ..The former processes rise in activity, however, when the latter are dysfunctional...