Adolescent Development and the Brain

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Differences in making sound decisions about risky behaviors and controlling impulsive behavior

Lateralization

Specailization of the two hemispheres the brain

If a doctor removes one side of the brain, the child will show plasticity, or the brain's tendency to remain adaptable. The child will still be able to function as if the side of the brain that was removed, was still there.

Both sides process functions "differently, but simutaneously."

One hemisphere is more efficient thatn the other in performing certain functions.

Adolescent Development and the Brain

Frontal Lobe

Controls higher-order thinking processes

Matures last

Prefrontal Cortex

As limbic system matures, adolesncents become more responsive to pleasure seeking and emotional stimulation.

Involved with judgment and decision making

Takes more time to develop than the limbic system

Limbic system

Involved with emotions and rewarding/seeking/novelty/risk-taking/sensation-seeking behaviors

Develops early

Subtopic

Temporal Lobe

Do not develop fully until high school years or later

Play roles in emotions, judgement, and language

Right Hemisphere

Handles spatial-visual information and emotions (nonverbal information)

Controls the left side of the body

Left Hemisphere

Major factor in language processing

Controls the right side of the body