frontal lobe

(redirected from prefrontal lobe)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

frontal lobe

[¦frənt·əl ¦lōb]
(neuroscience)
The anterior portion of a cerebral hemisphere, bounded behind by the central sulcus and below by the lateral cerebral sulcus.
References in periodicals archive ?
The remaining patients showed lesions that were more restricted to the prefrontal lobe Brain area injured Patients (P) with these lesions and lateralization of the lesion Brodmann Prefrontal cortex areas Left Right Dorsolateral 8, 9, P3, P5 P1, P2, prefrontal cortex 46, 47 P4, P6 Orbitofrontal cortex 10, 11 P3, P5, P1, P6 Anterior cingulate 32 P9 P3 P2, P4 cortex Other areas Temporal lobe 20, 21, P1, P2, P5, P6, 37, 38, P5, P9 P9 48 Angular gyrus 39 P2 P2 (temporoparietal junction) Occipital lobe 19 P2 P2 Table 2 Protocol of neuropsychological assessments administered to patients and controls and data obtained in both groups RESULTS FUNCTION Mean and SD Mean and SD Test and subtest Frontal Group Control Group Intellectual quotient Premorbid intellectual functioning 115.
The significant activation of the prefrontal lobe shows a compensatory recruitment for the cognitive task.
The first medically recorded evidence that a prefrontal lobe dysfunction can create a predisposition to violent behavior was noted on Sept.
Examples of brain networks based on regions of interest are the dorsal lateral prefrontal lobe network and the medial prefrontal lobe network.
The majority of researchers that conduct neuropsychological studies of transgressors have primarily concentrated on the anterior regions of the brain, more specifically, areas of the prefrontal lobe.
The first Buddhist studied showed more left prefrontal lobe activity than anyone Davidson had measured before.
Neural deficits are attributable to disease processes that affect the olfactory bulb, olfactory tract, or the central olfactory pathway, including the prefrontal lobe, septal nuclei, amygdala, and temporal lobe.
Functional imaging studies found that the insula, especially the front insula, prefrontal lobe, and other parts of the limbic system participate in the regulation of emotions (e.
Similar to the findings elsewhere, most functional neuroimaging studies using positron emission tomography (PET), functional magnetic resonance imaging (fMRI), and magnetic resonance spectroscopy (MRS) in China have found increased metabolism and activation in the prefrontal lobe, corpus striatum and thalmus that are correlated with the duration, severity and cognitive symptoms of OCD.
Our study offers neurobiological insights into the remarkable capacity of humans to discover the conceptual structure of their visual experiences, and reveals how so-called 'memory' regions like the hippocampus team up with "decision modules" in the prefrontal lobe to put this information to use," concludes Dr.
Using the analytical method of region of interest (ROI), Wu and colleagues found lower fractional anisotropy in the rostrum of corpus callosum and the right anterior cingulum and higher fractional anisotropy in the left anterior cingulum and the right prefrontal lobe among individuals with OCD.
Their study involved patients with lesions in the prefrontal lobe, including patients with and without confabulation, and healthy individuals.