THE BAGHMALEKI ASTROCYTIC THEORY OF MEMORY AND COGNITION - An Evidence-Based Critical Review, Experimental Validation Framework, and Future Research Directions
A long article of over 300 pages ABSTRACT Background Memory and cognition have traditionally been investigated primarily through neuronal mechanisms, particularly synaptic plasticity, neuronal ensemble activity, and the formation and reactivation of neuronal engrams. Although these mechanisms remain fundamental to contemporary neuroscience, accumulating evidence indicates that astrocytes actively participate in synaptic regulation, neuronal circuit function, and experience-dependent plasticity. Recent experimental studies identifying learning-associated astrocyte ensembles have further strengthened the rationale for investigating astrocytic contributions to memory formation, stabilization, and retrieval. Objective This article presents a critical examination of the Baghmaleki Astrocytic Theory of Memory and Cognition. Its primary objective is to formulate an evidence-based framework for investigating whether astrocytes contribute to memory-associated information processing, persistent cellular states, distributed biological representations, and cognitive function. Methods The article adopts a critical theoretical-review approach. It integrates relevant findings from astrocyte biology, neuroglial communication, calcium signaling, synaptic plasticity, neuronal engrams, cellular memory mechanisms, and mathematical neuroscience. It also proposes an experimental validation framework involving operational definitions, measurable biological variables, quantitative indices, causal manipulation, and falsifiable predictions. Results and Conceptual Findings The reviewed evidence supports the conclusion that astrocytes are active participants in several processes relevant to memory and cognition. Astrocytic calcium signaling, neurotransmitter regulation, metabolic interactions, intercellular communication, and experience-dependent cellular plasticity provide plausible mechanisms through which astrocytes may influence neuronal memory systems. Recent studies of learning-associated astrocyte ensembles provide direct experimental evidence that selected astrocyte populations can participate in memory recall and stabilization in animal models. The Baghmaleki framework extends these findings by proposing that astrocytic states and ensembles may contribute to the organization and persistence of memory-associated information. However, the hypothesis that astrocytes independently store complete memory content remains unproven and requires dedicated experimental investigation. Conclusion The Baghmaleki Astrocytic Theory offers a testable framework for examining memory as a coordinated process involving neurons, astrocytes, synapses, and multicellular neural networks. Its scientific development requires clear distinctions between established astrocytic functions, experimentally demonstrated memory-related participation, proposed information representation, and the stronger hypothesis of independent astrocytic memory storage. The proposed framework may help guide future experimental and computational investigations of the cellular organization of memory and cognition.
Authors
- Majid Karimi Baghmaleki (ORCID: https://orcid.org/0000-0002-3961-059X)
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-11-07
- DOI
- https://doi.org/10.5281/zenodo.24030910
- Primary Topic
- Neuroscience and Neuropharmacology Research
- Type
- preprint