As far as the brain is concerned, every experience is unique, no matter how similar it is to an earlier one.
Neurons are the basic computational building blocks that compose our brain. Their number is approximately one Tera (trillion), similar to Tera-bits in midsize hard discs. According to the neuronal computational scheme, which has been used for over a century, each neuron functions as a centralized excitable element. The neuron accumulates its incoming electrical signals from connecting neurons through several terminals, and generates a short electrical pulse, known as a spike, when its threshold is reached.
A vast effort by a team of Janelia Research Campus scientists is rapidly increasing the number of fully-traced neurons in the mouse brain. Researchers everywhere can now browse and download the 3-D data.
Researchers in Bordeaux recently discovered a new mechanism for storing information in synapses and a means of controlling the storage process. The breakthrough moves science closer to unveiling the mystery of the molecular mechanisms of memory and learning processes.
Research from Washington University School of Medicine in St. Louis sheds light on what might be happening in an anxious brain. A new study has identified a group of neurons that become active when an animal is faced with the possibility of an unpleasant event.