{ "id": 603603, "title": "Feature Extraction Step", "url": "/competitions/brain-to-text-25/discussion/603603", "author_name": "", "post_date": "2025-09-03T09:58:10.137278600Z", "votes": null, "comment_count": 1, "views": 0, "content": "

Hello,
\nMy name is Mert. In this post it is mentioned that the neural data was “feature-extracted” (as referenced in the provided link). Could you clarify what specific features were extracted at this step (e.g., band power, high-gamma activity)?

", "messages": [ { "id": "3280891", "postDate": "09/03/2025 09:58:10", "content": "

Hello,
\nMy name is Mert. In this post it is mentioned that the neural data was “feature-extracted” (as referenced in the provided link). Could you clarify what specific features were extracted at this step (e.g., band power, high-gamma activity)?

", "rawMarkdown": "Hello,\nMy name is Mert. In this [post ](https://www.kaggle.com/competitions/brain-to-text-25/discussion/596460) it is mentioned that the neural data was “feature-extracted” (as referenced in the provided link). Could you clarify what specific features were extracted at this step (e.g., band power, high-gamma activity)?", "votes": null }, { "id": "3281041", "postDate": "09/03/2025 13:52:53", "content": "

As described on the Data tab:

\n
\n

512 neural features (2 features [-4.5 RMS threshold crossings and spike band power] per electrode, 256 electrodes), binned at 20 ms resolution. The data were recorded from the speech motor cortex via four high-density microelectrode arrays (64 electrodes each).

\n
\n

You can read more details about this in our paper and the corresponding supplemental appendix.

", "rawMarkdown": "As described on the Data tab:\n>512 neural features (2 features [-4.5 RMS threshold crossings and spike band power] per electrode, 256 electrodes), binned at 20 ms resolution. The data were recorded from the speech motor cortex via four high-density microelectrode arrays (64 electrodes each).\n\nYou can read more details about this in [our paper](https://www.nejm.org/doi/full/10.1056/NEJMoa2314132) and the corresponding supplemental appendix.", "votes": null } ], "comments": [ { "id": 3281041, "author_name": "notnickc", "author_url": "", "post_date": "09/03/2025 13:52:53", "content": "

As described on the Data tab:

\n
\n

512 neural features (2 features [-4.5 RMS threshold crossings and spike band power] per electrode, 256 electrodes), binned at 20 ms resolution. The data were recorded from the speech motor cortex via four high-density microelectrode arrays (64 electrodes each).

\n
\n

You can read more details about this in our paper and the corresponding supplemental appendix.

", "votes": null, "replies": [] } ], "raw_markdown_by_id": { "3280891": "Hello,\nMy name is Mert. In this [post ](https://www.kaggle.com/competitions/brain-to-text-25/discussion/596460) it is mentioned that the neural data was “feature-extracted” (as referenced in the provided link). Could you clarify what specific features were extracted at this step (e.g., band power, high-gamma activity)?", "3281041": "As described on the Data tab:\n>512 neural features (2 features [-4.5 RMS threshold crossings and spike band power] per electrode, 256 electrodes), binned at 20 ms resolution. The data were recorded from the speech motor cortex via four high-density microelectrode arrays (64 electrodes each).\n\nYou can read more details about this in [our paper](https://www.nejm.org/doi/full/10.1056/NEJMoa2314132) and the corresponding supplemental appendix." }, "source": "meta" }