Video: Techniques to Study the Brain and Behavior. Why do you behave the way you do? Human behavior begins in the brain. To study the brain, psychologists use a variety of tools, like EEG, PET and CAT scans, MRI, DTI, and studying pathology in individuals.
What Are Glial Cells. Glial cells are known by many names-neuroglia or glia to name just a few. In the past, they were sometimes mistaken for brain cells but they're completely different. They're nervous system cells that are found in your brain and spinal cord.
How many glial cells are in the human brain? There are 100 billion neurons in th human brain and about 1-5 trillion glial cells (that's 10-50 times more!). Most are astrocytes.