Macro- and mesoscopic neural network

“The truth is the whole.” - Hegel

We investigate how changes in mental states of animals influence operating principles of neural networks and interaction between multiple network activities. It is likely that higher functions of brains are expressed by cooperative movement between networks composed of neurons. Questions to be answered are such as how neural activities propagate; what kind of neurons support these activities; when, where and how the activities go on; and whether these activities depend on mental states of animals. We are working on these issues using an imaging method that can record collective neural activities from cortical layers in nearly all areas of cerebral neocortex. Furthermore, to analyze neural activities in more detail, we are developing a new fast imaging method to simultaneously record the vast majority of neuronal activities at a single neuron level.