MEG Gamma-Band Activity and Visual Motion Coherence in Autism

Comprising magnetoencephalography (MEG) data from 27 adult participants (13 with ASD, 14 controls) performing a motion direction discrimination task. It examines the relationship between gamma-band neural activity and varying levels of visual motion coherence.

Use Cases

• Analyze the polynomial regression relationship between gamma-band power and motion coherence levels across participant groups.
• Compare neural response gain in motion-responsive visual areas V3, V6, and hMT/V5 between ASD and control cohorts.
• Investigate the link between excitatory-inhibitory interactions and high-frequency gamma-band oscillations using motion coherence as a stimulus intensity metric.

Strengths

• Includes data from 27 adult participants, enabling group comparisons.
• Focuses on a specific, quantifiable sensory feature: visual motion coherence.
• Data is associated with a peer-reviewed study investigating a core theoretical deficit in ASD.

Limitations

• Small sample size of 27 participants limits statistical power and generalizability.
• Data is from a specific experimental task (motion direction discrimination), limiting broader applicability.
• Lacks detailed column or sample data descriptions, hindering immediate usability.

Provenance

Source

Dryad digital repository.

Collection Method

Magnetoencephalography (MEG) recordings during a controlled visual motion task.

Freshness

Last updated in June 2020.