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September 18, 2026
When Pictures Hinder Understanding: Illustrations May Impede Learning of Abstract Ideas
Illustrations can help remember specific actions but do not always make abstract ideas easier to learn. Researchers from HSE University and Humboldt University compared how people learn from texts with different levels of abstractness. They found that participants remembered illustrations better and performed better on related tasks after reading a multimedia text about yoga asanas than after reading an abstract text about the Nash equilibrium. The findings could help improve the selection of illustrations for educational and informational materials. The study has been published in Learning and Instruction.
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Structural Features Of The Brain In Amnestic Mild Cognitive Impairment And Their Correlation With Mild Behavioral Impairment

Neuroscience and Behavioral Physiology. 2025. Vol. 55. No. 9. P. 1681–1687.
N. S. Cherkasov, Tomyshev A. S., Lebedeva I. S., Abdullina E. G., Bozhko O. V., Gavrilova S. I., Kolykhalov I. V.

Objective. To identify the structural features of the brain in elderly patients with amnestic mild cognitive impairment (aMCI) and the correlations of these features with mild behavioral impairment. Materials and methods. Fifty-three patients with aMCI (age 73.0 ± 8.5 years, nine men) and 34 mentally healthy subjects (66.8 ± 9.6 years, four men) were examined. Cognitive status was assessed using the Montreal Cognitive Assessment (MoCA) scale and the severity of mild behavioral impairment was evaluated using the MBI-C (Mild Behavioral Impairment Checklist) questionnaire. Structural MRI images were obtained on a 3T Philips Ingenia instrument. Cortical gray matter thickness, subcortical volumes, and their correlations with MBI-C and MoCA scores were analyzed. Results. Patients with aMCS were found to have smaller cortical thickness in the left superior frontal gyrus and right precuneus (p < 0.05), these parameters correlating negatively with MBI-C scores. In addition, this group had smaller amygdalar and hippocampal volumes in the left hemisphere (p < 0.05), with a positive correlation between the volume of the left amygdala and MoCA scores. Conclusion. The changes in structural MRI parameters and their correlations with neuropsychiatric and neurocognitive symptoms found here reflect the complex nature of the cerebral substrate of cognitive and behavioral impairments in aMCI. These results indicate the need for further work seeking clinically significant phenotypes in patients with aMCI, including those associated with an increased risk of Alzheimer’s disease.

Research target: Clinical Medicine Basic Medicine
Language: English
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Keywords: old agecerebral cortical thicknessamygdalastructural MRImild cognitive impairmentmild behavioral impairment
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