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자극과 맥락의 정서성이 기억 부호화에 미치는 영향: ERP 연구

The Effect of Emotional Content and Context on Memory Encoding: ERP Studies

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참고문헌

키워드

주제분류인지과학

초록

이 연구는 자극의 정서성에 따른 부호화 기전의 차이와 맥락의 정서성이 중립 단어의 부호화 기전에 미치는 영향을 알아보기 위해 수행되었으며, 특히 정서자극의 우수한 기억 수행이 주의자원 배분에 기인한 것인지 밝히는 것을 목적으로 하였다. 이 연구는 연구 목적을 달성하기 위해 정서자극과 비정서적 단어를 연속으로 제시하여 자극과 맥락의 정서성이 기억 수행과 ERP 평균 진폭에 미치는 영향을 분석하였다. 정서자극으로는 IAPS(International Affective Picture System) 자극을 사용하였으며, 긍정, 중립, 부정자극을 제시하였다. 행동 분석 결과, 정서자극이 중립자극보다 우수한 기억 수행을 보인 반면, 정서맥락 내 단어는 중립맥락 내 단어에 비해 저조한 기억 수행을 보였다. 또한 ERP의 LPC(Late Positive Complex) 진폭 분석 결과, 정서자극이 중립자극에 비해 높은 진폭을 보인 반면, 정서맥락 내 단어는 중립맥락 내 단어에 비해 낮은 진폭을 나타냈다. 이 결과는 정서자극에 대한 주의 선점이 정서맥락 내 단어의 기억 수행을 방해한다는 자원할당 모형의 설명에 부합하는 것으로서, 정서자극에 대한 주의자원 배분 설명을 지지하는 것이다.

Abstract

This study examined the effects of emotional content on the encoding process of emotional stimuli and the effects of emotional context on those of neutral stimuli. It was examined whether the superior memory of emotional stimuli is due to attentional resource allocation. This study were performed an emotional picture and a neutral word were presented in succession at every trials. The results of recognition judgement showed superior memory of emotional pictures than neutral pictures, but showed poorer memory of neutral words in emotional context than those in neutral context. LPC(Late Positive Complex) of ERP results showed the similar pattern: higher amplitude by emotional pictures than neutral pictures, and lower amplitude by neutral words in emotional context than those in neutral context. This result is considered to support attention allocation hypothesis.

참고문헌 (43)

  1. 박태진, "IAPS 자극에 대한 한국 대학생의 정서 평가", 인지과학, 20(2), pp.183~195 (2009), 한국인지과학회
  2. Baumeister, R. F., "Bad is stronger than good", Review of General Psychology, 5, pp.323~370 (2001)
  3. Bluck, S., "Predicting memory completeness and accuracy: Emotion and exposure in repeated autobiographical recall", Applied Cognitive Psychology, 15, pp.145~158 (2001)
  4. Bornstein, B. H., "Repeated testing in eyewitness memory: A means to improve recall of a negative emotional event", Applied Cognitive Psychology, 12, pp.119~131 (1998)
  5. Bradley, M. M., "Remembering pictures: Pleasure and arousal in memory", Journal of Experimental Psychology: Learning, Memory, & Cognition, 18, pp.379~390 (1992)
  6. Cacioppo, J. T., "Attitudes to the right: evaluative processing is associated with lateralized late positive event-related brain potentials", Personality and Social Psychology Bulletin, 6227, pp.1205~1219 (1996)
  7. Cacioppo, J. T., "The affect system has parallel and integrative processing components: Form follows function", Journal of Personality and Social Psychological Bulletin, 115, pp.401~423 (1999)
  8. Cuthbert, B. N., "Brain potentials in affective picture processing: Covariation with autonomic arousal and affective report", Biological Psychology, 52, pp.95~111 (2000)
  9. Danion, J. M., "Affective valence of words, explicit and implicit memory in clinical depression", Journal of Affective Disorders, 34, pp.227~234 (1995)
  10. Davidson, R. J., "Emotion and affective style: Hemispheric substrates", American Psychological Society, 3, pp.39~43 (1992)
  11. Delplanque, S., "Modulation of cognitive processing by emotional valence studied through event-related potentials in humans", Neuroscience Letters, 356, pp.1~4 (2004)
  12. Diedrich, O., "A frontal positive slow wave in the ERP associated with emotional slides", Journal of Psychophysiology, 11, pp.71~84 (1997)
  13. Dillon, D. G., "Dissociation of event-related potentials indexing arousal and semantic cogesion during emotional word encoding", Brain and Cognition, 62, pp.43~57 (2006)
  14. Dolcos, F., "Dissociable effects of arousal and valence on prefrontal activity indexing emotional evaluation and subsequent memory: An event-related fMRI study", NeuroImage, 23, pp.64~74 (2004)
  15. .Easterbrook, J. A, "The effect of emotion on cue utilization and the organization of behavior", Psychological Review, 66, pp.183~201 (1959)
  16. Ellis, H. C., "Resource allocation model of the effects of depressed mood states on memory, in: Affect, Cognition and Social Behavior" (1988), Hogrefe
  17. Feldman, L. A., "Valence focus and arousal focus: Individual differences in the structure of affective experience", Journal of Personality and Social Psychology, 69, pp.153~166 (1995)
  18. Foti, D., "Deconstructing reappraisal: Descriptions preceding arousing pictures modulate the subsequent neural response", Journal of Cognitive Neuroscience, 20, pp.977~988 (2008)
  19. Guo, C, "An electrophysiological investigation of memory encoding, depth of processing, and word frequency in humans", Neuroscience Letters, 356, pp.79~82 (2004)
  20. Hajcak, G., "The persistence of attention to emotion: Brain potentials during and after picture presentation", Emotion, 8, pp.250~255 (2008)
  21. Hajcak, G., "Motivated and controlled attention to emotion: Time-course of the late positive potential", Clinical Neurophysiology, 120, pp.505~510 (2009)
  22. Hamann, S. B., "Amygdala activity related to enhanced memory for pleasant and aversive stimuli", Nature Neuroscience, 2, pp.289~293 (1999)
  23. Inaba, M., "Neural evidence of effects of emotional valence on word recognition", International Journal of Psychophysiology, 57, pp.165~173 (2005)
  24. Isreal, J. B., "P300 and tracking difficulty: Evidence for multiple resources in dual-task performance", Psychophysiology, 17, pp.259~273 (1980)
  25. Ito, T. A., "Negative information weighs more heavily on the brain: The negativity bias in evaluative categorizations", Journal of Personality & Social Psychology, 75, pp.887~900 (1998)
  26. Kissler, J., "Emotion and attention in visual word processing: An ERP study", Biological Psychology, 80, pp.75~83 (2009)
  27. Knight, R. T., "Decreased response to novel stimuli after prefrontal lesions in man", Electroencephalography and clinical Neurophysiology, 59, pp.9~20 (1984)
  28. Knight, R. T., "Role of human prefrontal cortex in attention control", Advances in Neurology, 66, pp.21~34 (1995)
  29. Kok, A., "On the utility of P3 amplitude as a measure of processing capacity", Psychophysilolgy, 38, pp.557~577 (2001)
  30. Konorski, J., "Integrative activity of the brain: An interdisciplinary approach" (1967), University of Chicago Press
  31. Lang, P. J., "Motivated attention: Affect, activation, and action, in: Attention and Orienting: Sensory and Motivational Processes" (1997), Erlbaum Associates
  32. International Affective Picture System(IAPS): Affective ratings of Pictures and instruction manual, "Lang, P. J.", University of Florida, ~, pp.Technical Report A-6 (2005)
  33. Meinhardt, J., "Attentional resource allocation to emotional events: An ERP study", Cognition and Emotion, 17, pp.477~500 (2003)
  34. Phelps, E. A., "Specifying the contributions of the human amygdala to emotional memory: A case study", Neurocase, 4, pp.527~540 (1998)
  35. Polich, J., "Updating P300: An integrative theory of P3a and P3b", Clinical Neurophysiology, 118, pp.2128~2148 (2007)
  36. Polich, J., "Cognitive and biological determinants of P300: An integrative review", Biological Psychology, 41, pp.103~146 (1995)
  37. Rubin, D. C., "Predicting which words get recalled: Measures of free recall, availability, goodness, emotionality, and pronounciability for 925 nouns", Memory and Cognition, 14, pp.79~94 (1986)
  38. Schupp, H. T., "Affective picture processing:The late positive potential is modulated by motivational relevance", Psychophysiology, 37, pp.257~261 (2000)
  39. Smith, N. K., "May I have have your attention, please: Electrocortical responses to positive and negative stimuli", Neuropsychologia, 41, pp.173~183 (2003)
  40. Smith, N. K., "Being bad isn't always good: Affective context moderates the attention bais toward negative information", Journal of Personality and Social Psychol, 90, pp.210~220 (2006)
  41. Squires, N. K., "Two varieties of long-latency positive waves evoked by unpredictable auditory stimuli", Electroencephalography and Clinical Neurophysiology, 38, pp.387~401 (1975)
  42. Taylor, S. E., "Asymmetrical effects of positive and negative events: The mobilization-minimization hypothesis", Psychological Bulletin, 110, pp.67~85 (1991)
  43. Vogt, J., "Allocation of spatial attention to emotional stimuli depends upon arousal and not valence", Emotion, 8, pp.880~885 (2008)

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