TABLE 5.
Citation | Study | Age range, menopausal definition, and assessment | Cognitive and brain assessment | Main cognitive and brain outcomes | Category explanation |
Jacobs EG, et al. J Neurosci. 2016 Sep 28;36(39):10163-10173. | • n = 186 • Four groups: men (n = 94), premenopausal (n = 32), perimenopausal (n = 29), postmenopausal (n = 31) • New England Family Study • Blood E2, progesterone, and testosterone • Functional neuroimaging | • Range = 45-55 y • Cycling and postmenopause (STRAW stage +1c) • Menopause defined by STRAW + 10 menstrual cycle characteristics and FSH levels | • American Adult Reading Test • Controlled Oral Word Fluency • Digit Span Backwards • Verbal Fluency Neuroimaging • 12-item FNAME • 6-trial Selective Reminding Test • Verbal encoding task | All: lower E2 correlated with lower left hippocampal activity Postmenopausal: lower task-related left hippocampal activity; increased task-related bilateral hippocampal connectivity compared to pre-, peri-, and men. Low-performers had the greatest task related hippocampal connectivity | TofM: “menopause transition,” tight age, and LMP range suggest spontaneous menopause, TSM and AatM: STRAW stages and controlled for chronological age. |
Jacobs EG, et al. Cereb Cortex. 2017 May 1;27(5):2857-2870. | • n = 141 • Four groups: men (n = 62), premenopausal (n = 26), perimenopausal (n = 23), postmenopausal (n = 20) • New England Family Study • Blood E2, progesterone, testosterone, LH and FSH levels • Functional neuroimaging | • Range = 46-55 y • see above citation for details | • Digit Span Backwards • Controlled Oral Word Fluency • Verbal Fluency • American Adult Reading Test Neuroimaging • Verbal working memory n -back task | Behavior None Neuroimaging All groups: higher E2 and progesterone correlated with task-related hippocampal deactivation Post & -Peri>Pre: task-related DLPFC and hippocampal activity Post > Pre: task-related DLPFC connectivity | TofM: “menopause transition,” tight age, and LMP range suggest spontaneous menopause, TSM and AatM: STRAW stages and controlled for chronological age. |
Kantarci K, et al. J Alzheimers Dis. 2016;53(2):547-556. | • n = 68 • 3 groups: CEE (n = 17), transdermal E2 (n = 21), or placebo (n = 30) for 4 y • Kronos Early Estrogen Prevention Study • Tested 3 y after HT completion • Structural neuroimaging | • Range = 52-65 y • 5-36 mo since LMP • Induced menopause excluded | • CVLT • Digit Span • NYU Paragraphs • Stroop test • Trail Making Test A and B • Venton Visual Retention Test • Verbal Fluency • Wechsler Digit Symbol Coding • Wechsler Letter-Number Sequencing | CEE: lower verbal learning and memory scores than placebo, no association with Aβ plaques | TofM: Induced menopause excluded, TSM and AatM: Tight age range. |
Karim R, et al. J Am Geriatr Soc. 2016;64(12):2448-2456. | • n = 830 • WISH and ELITE study • Reproductive history | • Range = 41-92 y • 6+ mo since LMP • Induced menopause excluded | • Block Design • Boston Naming Test • CVLT • East Boston Memory Test • Faces I and II • Judgment of Line Orientation • Letter-Number Sequencing • Shipley Abstraction scale • Symbol Digit Modalities Test • Trail Making Test • Verbal Fluency | Longer reproductive period: greater global cognition and executive function | TofM: Induced menopause excluded, TSM and AatM: length of reproductive period. |
Karlamangla AS, et al. PLoS One. 2017;12(1):e0169008. | • n = 2,124 • Followed annually into menopause for at least 3 y, up to 12 y | • Mean = 54 y (no range) • Premenopause (at least one menstrual period in last 3 mo) • Average age at LMP: 52 y | • Digit Span Backwards • East Boston Memory Test • Symbol Digit Modalities Test | With each year after LMP, processing speed and delayed verbal memory declined | TofM: interim hysterectomy and/or oophorectomy before spontaneous menopause covaried. TSM: independent variable, AatM: combination of TSM and chronological age. |
Kurita K, et al. Fertil Steril. 2016 Sep 1;106(3):749-756.e2 | • n = 926 (n = 123 with bilateral oophorectomy) • Combined data from WISH, ELITE, and B-Vitamin Atherosclerosis Intervention Trial (BVAIT) • Follow-up average after 3 y | • Mean = 60.7 y (no range) • 6+ mo since LMP • Unilateral oophorectomy excluded • Induced menopause (bilateral oophorectomy): WISH = 10.7%, ELITE = 12.6%, BVAIT = 20.1% | See Karim et al, 2016 | Oophorectomy after spontaneous menopause: No correlation with cognitive performance Oophorectomy after 45: lower performance in verbal learning at baseline compared with spontaneous menopause Oophorectomy before 45: decline in semantic and visual memory | TofM and AatM: analyzed age at surgery/surgery after menopause. TSM: combination of AatM and chronological age. |
Rentz DM, et al. Menopause. 2017 Apr;24(4):400-408. | • n = 203 • Four groups: men (n = 106), premenopausal (n = 36), perimenopausal (n = 29), postmenopausal (n = 32) • New England Family Study • Blood E2, progesterone, and testosterone levels • Functional neuroimaging | • Range = 46-55 y • See Jacobs et al., 2016 for details | • American Adult Reading Test • Controlled Oral Word Fluency • Digit Span Backwards • Verbal fluency Neuroimaging • FNAME • Selective Reminding Test | All: higher E2 levels associated with better selective reminding test and FNAME performance Pre- and peri-menopausal: better than postmenopausal women on FNAME and selective reminding task | TofM: “menopause transition,” tight age, and LMP range suggest spontaneous menopause, TSM and AatM: STRAW stages and controlled for chronological age. |
Serrano-Guzmán M, et al. Menopause. 2016 Sep;23(9):965-973. | • n = 52 (n = 27 intervention) • Guided dance therapy vs self-directed treatment • Tested at baseline and after 2 mo | • Mean = 69.3 y (no range) • 1+ y since LMP • Diagnosed with spontaneous menopause by clinician | • Quality of Life questionnaire • Timed get-up-and-go task | Intervention: improvement in cognitive timed up-and-go task compared to controls. | TofM, TSM, AatM: all participants spontaneous menopause. |
Triantafyllou n, et al. Climacteric. 2016;19(4):393-399. | • n = 39 • Seeking treatment for subjective memory complaints • Blood E2 and FSH | • Mean = 58.7 y (no range) • 1+ y since LMP • FSH>25 mIU/mL • E2<50 pg/mL • TSM: between 1 and 33 y (average 10 y) • Induced menopause excluded | Objective • Brief Visuospatial Memory Test • Clock Drawing Test • HVLT • MMSE Subjective • Greene's Climacteric scale | Psychological symptom severity and low circulating E2 correlated with lower MMSE and visuo-spatial memory. Vasomotor symptom severity correlated with worse total, delayed, and retained verbal learning. | TofM: POI and induced menopause excluded, TSM: covaried, AatM: TSM and chronological age. |
AatM, age at menopause; CEE, Conjugated Equine Estrogens; CVLT, California Verbal Learning Test; DLPFC, dorsolateral prefrontal cortex; ELITE, Early vs Late Intervention Trial of Estradiol study; E2, 17β-estradiol; FNAME, Face Name Associative Memory Exam; FSH, follicle-stimulating hormone; LH, luteinizing hormone; LMP, last menstrual period; NYU, New York University; POI, premature ovarian insufficiency; STRAW, Stages of Reproductive Aging Workshop; TofM, types of menopause; TSM, time since menopause; WISH, Women's Isoflavone Soy Health study.