Transcranial magnetic stimulator (TMS) to probe cortical connectivity

人类与世界互动的主要手段是通过接触和抓住环境中的视觉对象。人类运动控制的一个显著方面是，尽管我们的肌肉骨骼系统状态不断变化（例如，由于生长而改变肢体惯性，由于衰老而失去肌肉张力），但我们的动作在整个生命周期中仍然非常精确。为了使我们的动作适应这些不断变化的生物力学条件，这些动作背后的皮层网络必须重组（即一个称为感觉运动学习的过程）。

Humans' primary means of interacting with the world is through reaching and grasping visual objects in the environment. A remarkable aspect of human motor control is that our actions remain extremely precise across the lifespan, despite the ever-changing state of our musculoskeletal system (e.g. change in limb inertia due to growth, loss of muscle tone due to ageing). In order to adapt our movements to these changing biomechanical conditions, the cortical networks underlying these actions must reorganize (i.e. a process called sensorimotor learning).