3Conroy RM, Golden J, Jeffares I, et al. Boredom-proneness, loneliness, social engagement and depression and their asso- ciation with cognitive function in older people: a population study[ J]. Psychol Health Med, 2010, 15(4) :463-473.
4Hazer O, Boylu AA. The examination of the factors affecting the feeling of loneliness of the elderly [ J ]. Procedia Soc Behav Sei, 2010, 9:2083-2089.
5Dykstra P. Older adult loneliness: myths and realities [ J ]. Eur J Ageing, 2009, 6(1) :91-100.
6Chalise HN, Kai I, Saito T. Social support and its correlation with loneliness: a cross- cultural study of Nep alese older adults[J]. Int J Aging Hum Dev, 2010, 71(2) :115-138.
7Winningham RG, Pike NL. A Cognitive intervention to en- hance institutionalized older adults' social support networks and decrease loneliness [ J ]. Aging Ment Health, 2007, 11 (6) :716-721.