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HomeOpen DatasetOpenNeuro ds008948: Grid-like coding of affective space
OpenNeuroBroad CNS / NeuroimagingOpen DatasetBIDS / NIfTI-1
Commercial Use Allowed - CC0 Public Domain

OpenNeuro ds008948: Grid-like coding of affective space

October 16, 2026
Yumeng Ma, Philip Kragel
DOI: 10.18112/openneuro.ds008948.v1.0.0

Study Design & Technical Specifications

Sample Size / Cohort

19 Subjects

Subject / Study Model

CNS Experimental / Clinical Model

Analytical Modalities

MRI

Primary Abstract & Repository Description

Source: OpenNeuro
BIDS neuroimaging dataset containing MRI scans from 19 Subjects. Freely available for computational neuroscience.
CNS Open Data Deep Research Brief

Editorial Critique, Methodological Value & Reusability Guide

Structured via CNS Domain Knowledge Engine

1. Scientific Context & Translational Bottlenecks

This resource from OpenNeuro ("OpenNeuro ds008948: Grid-like coding of affective space") addresses critical scientific questions within Central Nervous System (CNS) Neuroscience. Research in this domain currently faces major translational bottlenecks, including bridging cellular-resolution circuit physiology with macroscale neuroimaging and reproducible cross-cohort computational modeling. By focusing on key thematic elements (OpenNeuro, BIDS, MRI), this work contributes empirical evidence toward understanding how molecular, cellular, or systems-level alterations relate to core disease pathways such as multimodal neural oscillations, transcriptomic cell-type taxonomies, structural/functional connectomics, and standardized BIDS/NWB metadata. Integrating these findings into the broader open science ecosystem helps reduce fragmentation across independent laboratories and accelerates hypothesis verification.

日本語解説を表示 (Japanese)

OpenNeuroより公開された本リソース(「OpenNeuro ds008948: Grid-like coding of affective space」)は、中枢神経系(CNS)・基礎および臨床神経科学領域における重要な学術的・臨床的課題に焦点を当てています。現在の中枢神経系(CNS)・基礎および臨床神経科学研究では、単一細胞・神経回路レベルの生理学的知見とマクロ脳画像・臨床表現型の架橋、およびコホート間での高い再現性を持つ計算論的モデルの構築といったトランスレーショナルリサーチ上のボトルネックが存在します。本リソースは関連キーワード(OpenNeuro, BIDS, MRI)を軸として、マルチモーダル神経振動・電気生理指標、トランスクリプトーム細胞種分類、構造・機能コネクトーム、およびBIDS/NWB標準化メタデータなどの主要経路や病態メカニズムの理解に資する知見・データを提供しており、研究室や機関ごとに分散しがちな知見をオープンサイエンス基盤上で統合・検証する上で重要な位置づけを持ちます。

2. Methodology & Data Architecture Value

Structured as an open scientific dataset, this repository leverages MRI across CNS Experimental / Clinical Model (19 Subjects). Its primary architectural value lies in providing standardized, machine-readable primary records via OpenNeuro under CC0 Public Domain. Unlike isolated summary tables in static publications, access to underlying MRI distributions enables independent inspection of signal-to-noise ratios, preprocessing parameter sensitivity, and cross-modality feature extraction.

日本語解説を表示 (Japanese)

本リソースは公開科学データセットとして、神経科学実験・臨床モデル(サンプル規模: 19 Subjects)における「MRI」データを収録しています。OpenNeuroを通じてライセンス(CC0 Public Domain)のもとで構造化データが提供されている点が最大の強みです。論文内の静的な要約統計量のみならず、生データや処理済み特徴量の分布に直接アクセスできるため、信号雑音比(S/N比)の検証、前処理パイプラインの感度分析、およびマルチモーダル特徴量抽出において高い学術的価値を発揮します。

3. Secondary Analysis & Reusability Scenarios

Researchers and computational neuroscientists can reuse this resource across multiple secondary workflows: (1) Cross-Cohort Harmonization & Meta-Analysis — combining these MRI records with complementary repositories (such as OpenNeuro, DANDI, Agora, or Europe PMC) to increase statistical power; (2) Computational Benchmarking & Machine Learning — utilizing the documented features (OpenNeuro, BIDS, MRI) as training, validation, or out-of-distribution test sets for predictive biomarker discovery in Central Nervous System (CNS) Neuroscience; and (3) Experimental Protocol Alignment — referencing the study design (CNS Experimental / Clinical Model, 19 Subjects) to calibrate sample size calculations (power analysis) and endpoint selection for upcoming preclinical or clinical studies.

日本語解説を表示 (Japanese)

本リソースは以下のような二次解析・再利用シナリオに幅広く活用可能です。(1) コホート横断的ハーモナイゼーションとメタ解析:本リソースの「MRI」データを他の公開リポジトリ(OpenNeuro、DANDI、Agora、ADNI等)の同種データと統合し、統計的検出力(Statistical Power)を高めた統合解析を実施する。(2) 機械学習・バイオマーカー予測モデルの検証:抽出された特徴量や関連因子(OpenNeuro, BIDS, MRI)を、中枢神経系(CNS)・基礎および臨床神経科学の進行予測・サブタイプ分類モデルの外部検証(External Validation)や転移学習データとして利用する。(3) 後続研究のプロトコル設計:対象モデル(神経科学実験・臨床モデル)およびサンプル規模(19 Subjects)の設計仕様を参照し、新規の非臨床試験や臨床研究におけるサンプルサイズ設計(検出力計算)や主要評価項目の妥当性検討に役立てる。

4. Methodological Limitations & Caveats

While curated from an authoritative scientific source, secondary analysts should account for potential cohort selection biases and site-specific batch effects. Specifically, when interpreting MRI results in Central Nervous System (CNS) Neuroscience, researchers must control for confounding variables (such as age, sex, post-mortem interval, scanner/instrument drift, or medication state) and verify compliance with open-access attribution requirements (CC0 Public Domain).

日本語解説を表示 (Japanese)

信頼性の高い学術情報源から収録されていますが、二次解析や他研究との比較を行う際には、コホート選択バイアスや測定施設間差(バッチエフェクト)に留意する必要があります。特に中枢神経系(CNS)・基礎および臨床神経科学における「MRI」データの解釈では、年齢・性別・罹病期間・測定機器のキャリブレーション差・併用薬などの交絡因子を適切に補正することが推奨されます。また、データや図表の二次利用時は提供元(OpenNeuro)の利用条件(CC0 Public Domain)および適切な引用表記を遵守してください。

Data Access, Reproducibility & Analysis Starter Guide

BIDS (Brain Imaging Data Structure) v1.9+

BIDS / NIfTI-1

Quick Data Access & Structured Export

Open the primary repository directly or download structured metadata (JSON / CSV) in one click.

Open Primary Data (OpenNeuro)Download Data

This neuroimaging resource follows the Brain Imaging Data Structure (BIDS) specification, organizing raw NIfTI volumes (.nii.gz), acquisition parameters (.json sidecars), and participant phenotype tables (participants.tsv) in a deterministic directory hierarchy.

Programmatic Data Retrieval (Python Starter Code & Recommended SDKs)

Python Quickstart: Download & Inspect BIDS Neuroimaging Dataset

# 1. Install BIDS & Neuroimaging dependencies
# pip install openneuro-py pybids nibabel pandas

import openneuro as on
from bids import BIDSLayout
import pandas as pd

# Download metadata & subject headers from OpenNeuro (ds008948)
dataset_id = "ds008948"
target_dir = f"./data/{dataset_id}"
on.download(dataset=dataset_id, target_dir=target_dir, include=["participants.tsv", "dataset_description.json", "sub-01/*"])

# Initialize PyBIDS layout and inspect subjects & modalities
layout = BIDSLayout(target_dir, validate=False)
print(f"Subjects: {layout.get_subjects()} | Modalities: {layout.get_datatypes()}")

# Load clinical / demographic phenotype table
participants = pd.read_csv(f"{target_dir}/participants.tsv", sep="\t")
print(participants.head())

Recommended Open-Source Software & SDKs

FreeSurferDesktop / CLI

Software suite for processing and analyzing human brain structural MRI images.

ANTsPy (Advanced Normalization Tools)Python SDK

Diffeomorphic image registration, cortical thickness, and lesion segmentation.

Standardized 4-Step Workflow & Governance Checklist

Standardized Acquisition & Preprocessing Workflow

1. Retrieve BIDS Hierarchy via DataLad or AWS S3 CLI

Fetch the dataset manifest and selectively download subject anatomical/functional runs without requiring authentication credentials.

2. Run BIDS-Validator & Inspect JSON Sidecars

Verify TR (Repetition Time), TE, slice timing, and scanner field strength (3T/7T) across all subjects to detect protocol deviations.

3. Standardized Preprocessing (fMRIPrep / FreeSurfer)

Execute motion correction, susceptibility distortion correction, and MNI152NLin2009cAsym template normalization.

4. Covariate Regression & Group-Level Modeling

Merge participants.tsv clinical scores with extracted ROI/parcellation metrics while controlling for age, sex, and head motion.

Reproducibility & Governance Checklist

  • Verify BIDS dataset_description.json License and HowToAcknowledge fields before publication.
  • Exclude runs exceeding framewise displacement (FD > 0.5 mm) to prevent motion-induced false positives.
  • Ensure all anatomical scans remain defaced/de-identified in derivative repositories.

Tags & Modalities

MRI#OpenNeuro#BIDS#MRI

Bibliometrics, Peer-Review Status & Citation Export

Cross-referenced via Semantic Scholar, Europe PMC & bioRxiv

1. Citation Metrics & Context Breakdown

0
Total Citations
0
Influential Citations

Citation Context Breakdown

Citation intent breakdown (Supporting vs. Contrasting) is currently accumulating in Semantic Scholar for this record. Researchers reusing this resource should cite the primary DOI/URL using the standardized formats below.

2. Peer-Review Validation & Revision History

Verified Publication / Open Dataset Record

Metadata and license integrity verified against primary repository records.

3. Standardized Academic Citation & BibTeX Export

Selected Format (APA)
Yumeng Ma & Philip Kragel (2026). OpenNeuro ds008948: Grid-like coding of affective space. OpenNeuro. https://doi.org/10.18112/openneuro.ds008948.v1.0.0
BibTeX Entry (LaTeX / Reference Managers)
@misc{ma2026open,
  title = {OpenNeuro ds008948: Grid-like coding of affective space},
  author = {Yumeng Ma and Philip Kragel},
  year = {2026},
  journal = {OpenNeuro},
  howpublished = {\url{https://openneuro.org/datasets/ds008948}},
  doi = {10.18112/openneuro.ds008948.v1.0.0},
  note = {CNS Open Data: general_cns}
}

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Academic Research & Medical Information Disclaimer

This page provides structured scientific metadata, methodological critiques, and open-data reusability guidelines intended strictly for neuroscience researchers and data scientists. It does not constitute medical advice, clinical diagnosis, or treatment recommendations.

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