Objectives: The early environment is thought to be a critical period in understanding the cognitive health disparities African Americans face today. Much is known about the positive role enriching environments have in mid- and late-life and the negative function adverse experiences have in childhood; however, little is known about the relationship between enriching childhood experiences and late-life cognition. The current study examines the link between a variety of enriching early-life activities and late-life cognitive functioning in a sample of sociodemographic at-risk older adults.
Method: This study used data from African Americans from the Brain and Health Substudy of the Baltimore Experience Corps Trial (M = 67.2, SD = 5.9; N = 93). Participants completed a battery of neuropsychological assessments and a seven-item retrospective inventory of enriching activities before age 13.
Results: Findings revealed that a greater enriching early-life activity score was linked to favorable outcomes in educational attainment, processing speed, and executive functioning.
Discussion: Results provide promising evidence that enriching early environments are associated with late-life educational and cognitive outcomes. Findings support the cognitive reserve and engagement frameworks, and have implications to extend life-span prevention approaches when tackling age-related cognitive declines, diseases, and health disparities.
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http://dx.doi.org/10.1093/geronb/gby056 | DOI Listing |
Dev Rev
September 2024
Program in Neuroscience, Smith College, Northampton, MA, USA.
Early environmental experiences influence children's cognitive and neural development. In particular, cognitive stimulation, defined as environmental inputs that engage the senses and provide learning opportunities for children, fosters acquisition of knowledge across various cognitive domains. Low levels of cognitive stimulation in early life may restrict learning opportunities, contributing to lasting consequences for neural development and later academic and occupational achievement.
View Article and Find Full Text PDFBrain Behav Immun
January 2025
Chemotherapy remains the primary treatment modality for multiple cancer types, but the cytotoxicity of chemotherapeutic drugs often leads to persistent psychological disturbances that undermine daily function. Minimizing such unwanted effects is challenging in the rehabilitation/prehabilitation of cancer survivors, hence the impetus to identify modifiable external factors capable of improving the recovery process. The importance of social stimulation has been demonstrated in a mouse model showing that grouped housing lowered the likelihood of developing mood disturbance following exposure to chemotherapeutic drugs compared with isolated housing.
View Article and Find Full Text PDFRespirology
January 2025
School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia.
Background And Objective: Asthma-COPD overlap (ACO) is characterized by patients exhibiting features of both asthma and COPD. Currently, there is no specific treatment for ACO. This study aimed to investigate the therapeutic potential of targeting CD131, a shared receptor subunit for IL-3, IL-5 and GM-CSF, in ACO development and in preventing acute viral exacerbations.
View Article and Find Full Text PDFSci Total Environ
January 2025
Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China; CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. Electronic address:
Polychlorinated biphenyls (PCBs), a typical type of persistent organic pollutants (POPs), were previously widely employed as insulating and heat exchange fluids in transformers and capacitors. Despite knowledge of its adverse effects, the precise mechanism underlying PCB77 toxicity remains enigmatic. In this study, we utilized zebrafish as a model organism to explore the toxic effects of various concentrations of PCB77 (10, 200, and 1000 μg/L) and its molecular toxicity mechanisms.
View Article and Find Full Text PDFCase Reports Immunol
December 2024
Department of Medical Oncology and Hematology, Oncology Institute, Cleveland Clinic Abu Dhabi (CCAD), Abu Dhabi, UAE.
X-linked moesin-associated immunodeficiency (X-MAID) is a recently identified combined immunodeficiency caused by a mutation in the moesin () gene. It is characterized by cytopenias, hypogammaglobulinemia, poor immune response to vaccine antigens, and increased susceptibility to early-life infections. We report a patient with adult-onset neutropenia, lymphopenia, inadequate response to the pneumococcal polysaccharide vaccine (PPSV23), and recurrent bacterial infections associated with a hemizygous deletion.
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