Endogenous sex hormones and memory performance in middle-aged Greek women with subjective memory complaints

Evaluation of the Everyday Memory Questionnaire-Revised in a menopausal population: understanding the brain fog during menopause

OBJECTIVE

Brain fog (ie, memory complaints and concentration difficulties) is frequently reported during the menopausal transition. There is lack of standardized scales available to measure brain fog across the menopausal transition. This study aimed to evaluate the factor structure of the Everyday Memory Questionnaire-Revised (EMQ-R) and to determine the most commonly reported everyday cognitive symptoms in a menopausal population.

METHODS

Four hundred seventeen eligible women aged from 40 to 60 years (107 premenopausal, 149 perimenopausal, and 161 early postmenopausal) were recruited from the general community and were included in the analyses. Confirmatory factor analysis was conducted to test the model fit of the bifactor structure (ie, 4-item attentional subscale ranged 0-16, 7-item retrieval subscale ranged 0-28) of the 13-item EMQ-R (ranged 0-52) in a menopausal populations. Typical items in the retrieval subscale include "difficulty finding words," the attentional subscale include "difficulty following the thread of a story," and analysis of variance and multivariate analysis of covariance were used to investigate the group differences of individual items and two subscales.

RESULTS

Confirmatory factor analysis indicated the bifactor structure of the EMQ-R has a good fit in all three groups. A significant difference was identified in the mean retrieval scores (pre: 11.8, peri: 13.6, early post: 11.7) but not in the mean attentional scores (pre: 4.53, peri: 5.01, early post: 4.65).

CONCLUSIONS

The EMQ-R retrieval subscale may serve as a potential instrument to assess memory retrieval symptoms that contribute to "brain fog" in menopause. Increased memory retrieval complaints reported by the perimenopausal group suggests a transition-related memory retrieval dysfunction during menopausal transition.

Effects of Smartphone-Based Compensatory Cognitive Training and Physical Activity on Cognition, Depression, and Self-Esteem in Women with Subjective Cognitive Decline

Subjective cognitive decline is a symptom that may appear in the early stages of Alzheimer’s disease. This study examined the effects of smartphone-based calendar training and walking exercise regimen on postmenopausal women experiencing subjective cognitive decline. Experimental group 1 participated in both calendar training and walking exercise, group 2 participated in calendar training only, and the control group did not receive either intervention. Forty-two participants completed a cognitive function test and questionnaire upon entering the study and 12 weeks later. The controlled oral word association score increased in experimental groups 1 and 2 and decreased in the control group. Memory contentment increased in experimental group 1, maintained in experimental group 2, and decreased in the control group. Smartphone-based calendar training and a walking exercise regimen improved executive function and memory contentment in everyday life, but the effects on depressive symptoms and self-esteem were not significant. Our findings demonstrate that smartphone-based calendar training and walking exercise improved cognitive function and have potential as nonpharmacologic interventions to strengthen cognitive function in women experiencing subjective cognitive decline.

Menopause and cognitive complaints: are ovarian hormones linked with subjective cognitive decline?

Subjective cognitive decline (SCD) and the loss of ovarian hormones after menopause have been independently linked to later-life Alzheimer's disease (AD). The objective of this review was to determine whether menopause and the loss of ovarian hormones contribute to cognitive complaints and SCD in women. This would suggest that SCD at the menopausal transition might be an important marker of eventual cognitive decline and AD. We conducted a literature search using PubMed, PsycINFO and Web of Science in July 2020. All English-language studies assessing SCD and cognitive complaints with respect to menopause and ovarian hormones were included. A total of 19 studies were included. Studies found that cognitive complaints increased across the menopause transition and were associated with reductions in attention, verbal and working memory, and medial temporal lobe volume. Women taking estrogen-decreasing treatments also had increased cognitive complaints and reduced working memory and executive function. The current literature provides impetus for further research on whether menopause and the loss of ovarian hormones are associated with cognitive complaints and SCD. Clinicians may take particular note of cognitive complaints after menopause or ovarian hormone loss, as they might presage future cognitive decline.

Neuroticism biases memory self-report in women

Reports of memory problems are associated with cognitive decline risk and other adverse health outcomes, and the personality trait of neuroticism is known to influence these reports. Since women tend to have higher neuroticism as well as a unique risk profile for cognitive decline, we examined the relationship between neuroticism and responses to two memory self-report items (self- and age-anchored comparisons) among women (n = 1,132; M_age = 52.71; SD = 13.99) in the Midlife in the United States Refresher Study. Multivariate regression demonstrated that women lower in neuroticism may be more likely to make a distinction between self-comparisons vs. age-anchored comparisons of memory.