4Powell M, Hemsley D R. Depression: A breakdown of perceptual defense [J].British Journal of Psychiatry, 1984(145):358-362.
5Macleod C, Mathews A. Biased cognitive operations in anxiety: accessibility of information or assignment of processing priorities[J]. Behaviour Research and Therapy, 1991 (29): 599 - 610.
6Macleod C, Hagan R. Individual diffrences in the selective processing of threatening information,and emotional responses to a stressful life event [J]. Behavior Research and Therapy, 1992,30:151-161.
7Bradley B P, Mogg K. Lee, Stacey C. Attentional biases for negative information in incluced and naturally occurring dysphoria[J].Behaviour Research and Therapy, 1997,35 (10) : 911-927.
8GILLIGAN S G ,BOWER G H. Cognitive consequences of emotional arousal [M]//C E IZARD, KAGAN J' Zajonc R,Emotion, cognition, and behavior. New York: Cambridge University Press, 1984:547-588.
9TEASDALE J D,FOGARTY S J. Differential effects of induced mood on retrieval of pleasant and unpleasant events from episodic memory[J]. Journal of Abnormal Psychology, 1979(88) :248-257.
10ELLIS H C. On the importance of mood intensity and encoding demands in memory: Commentary on Hasher, Rose, Zacks, Sanft, and Doren[J]. Journal of Ex-perimental Psychology: General, 1985(114) :392-395.
