2026-10-09T06:15:47Z https://api.figshare.com/v2/oai

oai:figshare.com:article/30188506 2026-09-25T11:29:01Z category_30331 item_type_3 month_year_09_2026

A cortex-wide self-consistent manifold for a body–environment reference frame Riichiro Hira (5004008) Behavioural neuroscience two photon calcium imaging README – Mouse Platform Experiment Dataset<p dir="ltr">This dataset contains 20 MATLAB files (.mat).<br>Each file corresponds to one experimental session, in which neural activity, platform parameters, and posture data (position, velocity, acceleration) were synchronously recorded while a mouse was placed on the platform.<br>The sampling rate is 10 Hz.</p><h2>Variables in Each File</h2><h3>1. Neural_activity (Neural activity)</h3><ul><li><b>Type:</b> struct</li><li><b>Fields:</b></li><li><ul><li><code>eightDT</code> : [time × neurons × trials × direction]</li><li><code>TRot</code> : [time × neurons × trials]</li><li><code>Roll</code> : [time × neurons × trials]</li><li><code>Yaw</code> : [time × neurons × trials]</li><li><code>Vert</code> : [time × neurons × trials]</li></ul></li><li>Calcium imaging–based neural activity during the platform task.</li></ul><h3>2. Platform_param (Platform operation parameters)</h3><ul><li><b>Type:</b> struct</li><li><b>Fields:</b></li><li><ul><li><code>eightDT</code> : [time × 6 parameters × trials × direction]</li><li><code>TRot</code>, <code>Roll</code>, <code>Yaw</code>, <code>Vert</code> : [time × 6 parameters × trials]</li></ul></li><li><b>Six parameters (order in the 2nd dimension):</b></li><li><ol><li>Tilt direction</li><li>Tilt angle</li><li>Yaw direction</li><li>x displacement</li><li>y displacement</li><li>z displacement</li></ol></li></ul><h3>3. Posture</h3><ul><li><b>Type:</b> struct</li><li><b>Fields:</b> <code>eightDT</code>, <code>TRot</code>, <code>Roll</code>, <code>Yaw</code>, <code>Vert</code></li><li>Each field is a <b>1×14 cell array</b></li><li>Each cell: [time × 3 coordinates (x,y,z) × trials × direction]</li><li>Corresponds to 14 body parts (names stored in <code>BodyPart_names</code>)</li></ul><h3>4. Posture_velocity (Posture velocity)</h3><ul><li>Same structure as <b>Posture</b></li><li>First derivative of the 3D coordinates of each body part</li></ul><h3>5. Posture_acceleration (Posture acceleration)</h3><ul><li>Same structure as <b>Posture</b></li><li>Second derivative of the 3D coordinates of each body part</li></ul><h3>6. triangulationError (Triangulation error)</h3><ul><li><b>Type:</b> struct</li><li><b>Fields:</b></li><li><ul><li><code>eightDT</code> : [time × bodyparts × trials × direction]</li><li><code>TRot</code>, <code>Roll</code>, <code>Yaw</code>, <code>Vert</code> : [time × bodyparts × trials]</li></ul></li><li>3D reconstruction error for each body part</li></ul><h3>7. BodyPart_names (Body part names)</h3><ul><li><b>Type:</b> string array (1×14)</li><li>Body parts:<br><code>"RightHand", "RightElbow", "RightToe", "RightHeel",</code><br><code>"RightKnee", "BackU", "BackM", "BackL", "Tail",</code><br><code>"LeftHand", "LeftElbow", "LeftToe", "LeftHeel", "LeftKnee"</code></li></ul><h2>Data Dimensions Summary</h2><ul><li><b>Neural_activity:</b> time × neurons × trials × (direction)</li><li><b>Platform_param:</b> time × 6 parameters × trials × (direction)</li><li><b>Posture / Velocity / Acceleration:</b> time × 3 coordinates × trials × (direction) for each of 14 body parts</li><li><b>triangulationError:</b> time × bodyparts × trials × (direction)</li></ul><h2>Notes</h2><ul><li>The <code>eightDT</code> field contains trial data across directions (e.g., 8 directions).</li><li>Other fields (<code>TRot</code>, <code>Roll</code>, <code>Yaw</code>, <code>Vert</code>) contain direction-independent data with dimensions [time × neurons/params/bodyparts × trials].</li><li>All data were sampled at <b>10 Hz</b>.</li></ul><p></p> 2026-09-25T11:29:01Z Dataset Dataset 10.6084/m9.figshare.30188506.v2 https://figshare.com/articles/dataset/A_cortex-wide_self-consistent_manifold_for_a_body_environment_reference_frame/30188506 CC BY 4.0