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the process by which axons become coated with myelin, a fatty substance that speeds the transmission of nerve impulses from neuron to neuron

corpus callosum

large band of neural fibers connecting the two brain hemispheres and carrying messages between them


specialization of the two cerebral hemispheres for particular operations


The tendency to persevere in, or stick to, one thought or action for a long time.


a neural center that is located in the limbic system and helps process explicit memories for storage


brain structure that acts as a control center for recognition and analysis of hunger, thirst, fatigue, anger, and body temperature

injury control/harm reduction

Practices that are aimed at anticipating, controlling, and preventing dangerous activities; these practices reflect the beliefs that accidents are not random and that injuries can be made less harmful if proper controls are in place.

primary prevention

Actions that change overall background conditions to prevent some unwanted event or circumstance, such as injury, disease, or abuse

secondary prevention

actions that avert harm in a high-risk situation, such as stopping a car before it hits a pedestrian.

teritary prevention

consists of limiting any disability by providing rehabilitation where disease injury or a disorder has already occured and has already caused damage

child maltreatment

intentional harm to or avoidable endangerment of anyone under 18 years of age

child abuse

Deliberate action that is harmful to a child's physical, emotional, or sexual well-being

child neglect

failure to meet a child's basic physical, educational, or emotional needs

permanency planning

An effort by authorities to find a long-term living situation that will provide stability and support for a maltreated child. A goal is to avoid repeated changes of caregiver or school, which can be particularly harmful for the child.

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