prefrontal lobe

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prefrontal lobe

The frontal portion of the frontal lobe of the brain.
See also: lobe


1. a more or less well-defined portion of an organ or gland.
2. one of the main divisions of a tooth crown.

caudate lobe
a small dorsally located lobe of the liver to the right of the caudal vena cava that frequently embraces the right kidney.
ear lobe
an elevated area of skin just below the external auditory meatus in birds.
frontal lobe
the anterior portion of the gray matter of the cerebral hemisphere.
hepatic lobe
one of the lobes of the liver.
occipital lobe
the most posterior portion of the cerebral hemisphere, forming a small part of its dorsolateral surface.
parietal lobe
the upper central portion of the gray matter of the cerebral hemisphere, between the frontal and occipital lobes, and above the temporal lobe. See also parietal lobe.
prefrontal lobe
the part of the brain rostral to the ascending convolution.
quadrate lobe
1. precuneus.
2. a small lobe of the liver, between the gallbladder on the right, and the left lobe.
temporal lobe
the lower lateral portion of the cerebral hemisphere.
References in periodicals archive ?
At the very front part of the frontal lobes are the prefrontal lobes (Raine, 2004), which are involved in executive functioning.
In other words, damage to the prefrontal lobes can impair or eliminate an individual's ability to carry out necessary daily social responsibilities, especially when the offender is under stress.
In utero, brain development begins at the base of the brain and grows from bottom to top and back to front, with the greatest latency in brain development occurring in the prefrontal lobes, generally thought of as the forehead.
Persistent activity of the left prefrontal lobes is associated with positive emotions and good mood.
In contrast, continuous activity of the right prefrontal lobes indicates negative emotion.
Behind those calm exteriors lie persistently frisky left prefrontal lobes.
When in a funk (an emotional state), it's like a battle rages between the amygdala (the brain's emotion center) and the prefrontal lobes (the brain's center for logic and thinking).
However, the reasoning of the prefrontal lobes and the chemicals released by this part of the brain take much longer to affect the body and reduce the chemicals triggered by the amygdala.
In contrast, activity of the right prefrontal lobes makes you unhappy and sad - although watching any BBC Wales comedy can have the same effect.
The technique, which was applied to the prefrontal lobes for 25 minutes each time at a frequency of 20 Hz, was tested in 10 patients with moderate Alzheimer's disease.
rTMS did not alter other language abilities or other cognitive functions, including memory, which suggests that the technique is specific to the language domain of the brain, when applied to the prefrontal lobes, say the authors.