Create an account
A bond between an infant and his or her parent or caregiver in which the infant is repeatedly rejected and develops an isolated lifestyle that does not depend on the support and care of others.
A disorder in which cholesterol and calcium build up inside the walls of the blood vessels, forming plaque, which eventually leads to partial or complete blockage of blood flow.
Injury resulting from pressure disequilibrium across body surfaces; for example, from too much pressure in the lungs.
A type of reasoning in which a child looks for approval from peers and society.
Areas where the infant's skull has not fused together; usually disappear at approximately 18 months of age.
An infant reflex in which, when an infant is caught off guard, the infant opens his or her arms wide, spreads the fingers, and seems to grab at things.
An infant reflex that occurs when something is placed in the infant's palm; the infant grasps the object.
A type of reasoning in which a child bases decisions on his or her conscience.
A type of reasoning in which a child acts almost purely to avoid punishment to get what he or she wants.
An infant reflex that occurs when something touches an infant's cheek, and the infant instinctively turns his or her head toward the touch.
A bond between an infant and his or her parent or caregiver, in which the infant understands that his or her parents or caregivers will be responsive to his or her needs and take care of him or her when he or she needs help.
An infant reflex in which the infant starts sucking when his or her lips are stroked.
terminal drop hypothesis
The theory that a person's mental function declines in the last 5 years of life.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together