The complexity of the brain does not end with its structural and chemical composition. When we learn something new, form a memory, experience stress or disease, the biochemical structure of our brain changes at the neuronal level. This changes information movement and is known as neuronal plasticity.
Disorders that affect the forebrain
Region Disorder
Cerebral cortex depression, Huntington's disease, mania
Cerebrum epilepsy, stroke
• frontal lobe Alzheimer's disease, depression, mania
• parietal lobe Alzheimer's disease
• temporal lobe Alzheimer's disease, depression, mania
Limbic system mania
• amygdala depression, anxiety
• hippocampus Alzheimer's disease, mania
One method which has been used to study this disorder is the EEG. The EEG is a technique that records the electrical activity produced by the brain’s neurons through the use of electrodes that are placed around the research participant’s head. It can show if a