occipital lobe

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Related to occipital lobe: frontal lobe, parietal lobe, temporal lobe

occipital lobe

The posterior lobe of each cerebral hemisphere, having the shape of a three-sided pyramid and containing the visual center of the brain.

occipital lobe

(Anatomy) the posterior portion of each cerebral hemisphere, concerned with the interpretation of visual sensory impulses

occip′ital lobe`

the most posterior lobe of each cerebral hemisphere, behind the parietal and temporal lobes.

oc·cip·i·tal lobe

The rearmost lobe of each cerebral hemisphere, containing the main visual centers of the brain.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.occipital lobe - that part of the cerebral cortex in either hemisphere of the brain lying in the back of the headoccipital lobe - that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head
calcarine fissure, calcarine sulcus - a sulcus in the mesial surface of the occipital lobe of the cerebrum
cerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
occipital gyrus - any of the convolutions of the outer surface of the occipital lobe of the cerebrum
lobe - (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"
area 17 of Brodmann, Brodmann's area 17, first visual area, striate area, striate cortex - the part of the occipital cortex that receives the fibers of the optic radiation from the lateral geniculate body and is the primary receptive area for vision
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References in periodicals archive ?
The article notes that occipital seizures - in the occipital lobe, which is the brain's visual center - are the biggest culprit of the phenomenon.
It used to be thought that dilation of blood vessels triggered migraines, but the current theory blames abnormal electrical activity in the brain's occipital lobe that excites neurons and gradually spreads to other areas of the brain," Dr.
The electrodes O2, Oz and 02 are placed in a line at the back of the head over the occipital lobe, the most prominent portion of the visual cortex, separated laterally by 10% of the total circumference and positioned 10% (of the inion to nasion distance) vertically up from the inion (see Figure 1).
Subsequent magnetic resonance imaging (MRI) of the brain showed multiple small areas of acute infarct in the posterior circulation territory bilaterally, with involvement of small portions of the bilateral cerebellar hemispheres and parts of the left occipital lobe (FIGURE 1A and 1B).
These activities all exercise the occipital lobe, the temporal lobe the temporal sulcus and the amygdala parts of the brain, responsible for visual recognition and short-term memory.
Besides taking me through various stretches, she kneads my upper back with strength that belies her tiny frame, pulls at and releases my skin to improve circulation, and in what must be one of the most calming things anyone can do, lightly cups and massages my occipital lobe and neck.
Autopsy examination showed brain oedema with an irregular firm nodular swelling measuring 8 x 6 x 3 cm deep inside the white matter of left occipital lobe near the gangliocapsular region with surrounding area filled with clear fluid (Figure 1).
In general, PCA mainly supplies for the medial temporal lobe, occipital lobe, hippocampus, thalamus, corpus callosum, and midbrain.
The last three clusters are small and are located in the left superior parietal area (BA7), left inferior occipital lobe (BA18), and anterior right cerebellum (quite likely, the fusiform gyrus).
In addition, the lateral ventricles were enlarged more prominently in the parieto-occipital region, and a large encephalomalacic cyst was present in the right occipital lobe (Figures 2, C, and 3).
It has been reported in the literature that occipital lobe involvement on MRI is more frequent in patients with visual disturbance.
A doctor told me I had damaged my frontal temporal and occipital lobe in the brain.