Interception of visible and occluded ballistic trajectories: differential contributions by areas MT/V5, V6, V6A and the vestibular premotor cortex evaluated by TMS

Several cortical regions have been implicated in the control of interceptive actions, such as area MT/V5, posterior parietal areas, a vestibular area in the temporo-parietal junction (TPJ) involved in an internal representation of gravity, and premotor areas....

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✦ The floor

Discussion

Signed responses from readers of the wire.

✦ Clinical Takeaway ✦

No actionable change for clinical audiology practice; this is basic neuroscience research on vestibular and visual cortex contributions to motion interception with no direct patient-care implications at this stage.

✦ Why It Matters ✦

Understanding how vestibular and visual cortical areas integrate during motion prediction may eventually inform rehabilitation strategies for patients with vestibular cortex lesions or visuospatial deficits.

✦ Key Points ✦

01TMS was used to transiently disrupt cortical areas MT/V5, V6, V6A, and vestibular premotor cortex.
02Study investigates contributions of each area to intercepting both visible and occluded (hidden) moving targets.
03Differential roles found across areas for visible vs. mentally tracked (occluded) trajectories.
04Vestibular premotor cortex implicated in predictive motion processing beyond simple visual tracking.
05Basic science study with no direct clinical application currently.

✦ Claims & Evidence ✦

ClaimEvidenceSupport

Cortical areas MT/V5, V6, V6A, and vestibular premotor cortex make differential contributions to interception of visible versus occluded ballistic trajectories.

studysupported

✦ Research metadata ✦

PMID: 42745860
DOI: 10.3389/fnint.2026.1907398.
Journal: Frontiers in Integrative Neuroscience
Publication type: research_article
Evidence level: 2b
Population: Human participants undergoing TMS during a ballistic trajectory interception task
Intervention: Transcranial magnetic stimulation (TMS) applied to MT/V5, V6, V6A, and vestibular premotor cortex
Comparator: Sham or alternate cortical site stimulation (implied within-subject design)

Primary outcomes

Accuracy and timing of trajectory interception for visible targets; Accuracy and timing of trajectory interception for occluded targets; Differential cortical contribution by area

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