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Combined TMS&EEGAn application is called an online TMS-EEG method when EEG potentials are examined while the cortex is being stimulated. This allows for the observation of both short and long-term stimulation effects.Experimental brain research can benefit enormously from pain-free and non-invasive options for stimulating the brain. In order to insure that the EEG recordings are not irrevocably disturbed by the stimulations both the TMS and EEG systems require special equipment.Online TMS-EEG methods can be performed with stimulators of M-series or S-series TMS due to their high technical specifications.
Applications The high temporal resolution of electroencephalography (EEG) permits the direct derivation of the brain activity triggered by TMS. In addition to the performance of TMS and EEG at separate times (offline method), the simultaneous use of TMS and EEG (online method) can provide an especially unique opportunity to investigate corticocortical connections.

1. Interactive method: Analysis of TMS effects on functional networks during cognitive tasks.
2. Inductive method: Evaluation of cortical reactivity and connectivity by measuring transcallosal evoked potentials (TEP).
3. Rhythmic method: Monitoring of the influence of TMS stimulation on oscillatory brain activity to understand the causal relationships between cortical rhythm and perceptual, cognitive or motor processes.

SolutionsTMS-EMG / MEP monitor is a specially designed for determintation of Motor Threshold,has been a solid part of the repertoire of neurological diagnostics.there are 2 channel EMG amplifier to be mounted on the back of the M-series/S-series TMS system. In combination with EMG measurement devices, TMS offers the following diagnostic options:
1. Determination of central motor latency times
2. Determination of peripheral motor latency times
3. Investigation of somato-sensory potentials as well as potentials evoked by nerve stimulation and by muscle contractions
4. Determintation of motor evoked potentials (arm and hand muscles, leg and foot muscles; cranial, axial and proximal muscles)