Hormones and Cognition in the Menopausal Transition

The purpose of this study is to determine if the menopausal transition is associated with subjective and objective cognitive declines that ameliorate in menopause. The investigators hypothesize that perimenopause is associated with both subjective memory complaints and objective declines in attentionally mediated cognitive tasks. The investigators also hypothesize that this is time-limited. The investigators predict that as women transition from early perimenopause to late perimenopause their performance on attentionally mediated and verbal memory tasks will decline, and that as they transition from late perimenopause to menopause, their performance will improve.