In a few months, this blog will turn 15 years of age. How time flies when one is thinking about consciousness and the brain! I think the 15-year mark is a good point at which to write a series of ...

The sleep cycle has three NREM stages and one REM stage. Deep sleep occurs in stage 3 and is crucial for feeling refreshed. REM sleep helps in processing and storing memories. As we sleep, our brain ...

In Stage 1, the processes include phenomena such as inter- sensory processing and “top-down processing” (also called “knowledge-based processing”). These are phenomena that determine what we ...