Anisomycin selectively inhibit the shifts of optimal orientations in the visual cortex of mouse.
Bibliographic record
Abstract
Abstract The phenomenon of neuronal orientation selectivity, which refers to the capacity to efficiently react to a preferred orientation, has been widely observed in visual cortex. This selectivity serves as the underlying framework for cortical organization and the development of functional networks. While traditionally considered fixed in the mature brain, recent studies have explored plasticity in adult V1 by modifying orientation selectivity through visual adaptation which is achieved by presenting non-preferred orientation for several minutes. Orientation selectivity arises from the spatial clustering of synapses that have distinct preferences onto a dendritic branch. Our investigation was carried out through electrophysiological recordings which were done on CD-1 female mouse (9-11 weeks). The analysis was done on 85 cells recorded from 6 mice. Our research aims to ascertain whether antibiotics impact orientation selectivity by spine formation. Anisomycin, inhibits protein synthesis by interfering with peptidyl transferase activity in eukaryotic ribosomes. Our data has demonstrated a change in preferred selectivity of orientation following visual adaptation which induces a shift of preferred orientation. The detection of polyribosomes within the spines suggests that protein synthesis takes place directly within the postsynaptic compartment. Dendritic protein synthesis plays a role in stabilizing recently inserted glutamate receptors, thereby contributing to excitatory synaptic transmission in the spines. Application of Anisomycin can therefore impede the morphogenesis of dendritic spines and the associated receptors, consequently blocking neuronal communication. Our results demonstrate that the application of antibiotics prevented a shift in the preferred orientation after adaptation suggesting a hindrance to the formation of new spines. Moreover, the antibiotic also interfered with the association between orientation selectivity and the change in preferred orientation. This suggests that Anisomycin application disrupts the transmission of signals among neurons. Our results show that optimal orientation selectivity depends on spine cluster activity.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".