- claim_text
Increased neural excitability in a continuous bump-attractor model broadens neural tuning while decreasing bump diffusion, as long as firing rates are saturated; this can explain why cholinergic basal-forebrain stimulation improves performance despite widening prefrontal tuning.
- raw_fields
{
"n": 2,
"doi": "10.1523/jneurosci.1225-23.2024",
"claim": "Increased neural excitability in a continuous bump-attractor model broadens neural tuning while decreasing bump diffusion, as long as firing rates are saturated; this can explain why cholinergic basal-forebrain stimulation improves performance despite widening prefrontal tuning.",
"cite_key": "Mahrach2024",
"evidence": "Continuous bump-attractor model of PFC fitted to two-monkey nucleus basalis stimulation working-memory data (Qi et al., 2021).",
"effect_size": "qualitative",
"text_access": "abstract_only",
"study_system": "continuous bump-attractor model + macaque PFC physiology under cholinergic stimulation",
"argument_role": "supporting",
"replication_status": "replication_unknown",
"claim_source_sentence": "Here, we show that increased neural excitability in a simple continuous bump attractor model can induce broader neural tuning and decrease bump diffusion, provided neural rates are saturated.",
"source_provenance_status": "non_substring_match",
"replication_evidence_dois": [],
"effect_size_source_sentence": null
}- source_refs
[
"paper:paper-6bfbadb5788b"
]
- evidence_refs
[
{
"ref": "paper:paper-6bfbadb5788b"
}
]- source_policy
{
"mode": "public_source_pointer_with_short_context",
"notes": [
"Local review repositories are read-only inputs.",
"SciDEX stores paper metadata, structured evidence, file pointers, and short citation contexts; it does not copy full review prose."
],
"source_commit_sha": "79ce062d54a924ce05953ec90aa9d26044d2b48f",
"source_repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence"
}