Excessive levels of stress hormones literally shrink the hippocampus, the part of the brain that controls memories and learning, by an average of 14 percent, according to Daniel G.
The hippocampus plays an important role in learning and memory, so children and adults who are active and fit can benefit mentally from their exercise routine.
Limbic system-A group of structures in the brain that includes the hypothalamus, amygdala, olfactory bulbs, and hippocampus.
The hippocampus, the portion of the brain that affects learning and memory, is shown to be smaller in abusing teens.
Forms of sea-horses (Hippocampus), pipe-fishes (Syngnathus), fife-fishes (Sclerodermus), and sun-fish, globe-fish, and other allied forms of Gymnodontes, are not uncommon.