Different types of exercise strengthen different muscle groups, for example: 1  For arms, try rowing or cross-country skiing. 2  For strong legs, try running, biking, rowing, or skating. 3  For shapely abs, you can't beat rowing, yoga or pilates, and crunches.
The prefrontal cortex is a part of the brain located at the front of the frontal lobe. It is implicated in a variety of complex behaviors, including planning, and greatly contributes to personality development.he prefrontal cortex is involved in a wide variety of functions, including: 1  Coordinating and adjusting complex behavior. 2  Impulse control and control and organization of emotional reactions. 3  Personality.
(Medical Xpress) -- The prefrontal cortex of the brain is involved in memory processes and the ability to concentrate attentively. Neuroscientists from VU University Amsterdam have shown how and where this occurs in the prefrontal cortex. The research provides insight into how the brain regulates attention and concentration and gives new clues for the treatment of memory problems in elderly people.