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The frontal lobe is located at the front of each cerebral hemisphere and positioned in front of the parietal lobe and above and in front of the temporal lobe.It is separated from the parietal lobe by a space between tissues called the central sulcus, and from the temporal lobe by a deep fold called the lateral sulcus, also called the Sylvian fissure.
The lobes are classified based on their overlying neurocranial bones. [4] A smaller lobe is the insular lobe, a part of the cerebral cortex folded deep within the lateral sulcus that separates the temporal lobe from the parietal and frontal lobes, is located within each hemisphere of the mammalian brain.
English: Principal fissures and lobes of the cerebrum viewed laterally. Principal lobes of the cerebrum viewed laterally. Figure 728 from Gray's Anatomy. 4 lines note sulci as follows top center: Central sulcus; top right: Parieto-occipital sulcus; down left: Lateral sulcus; down right:Preoccipital notch
[25] [26] The occipital lobe is the smallest lobe; its main functions are visual reception, visual-spatial processing, movement, and colour recognition. [25] [26] There is a smaller occipital lobule in the lobe known as the cuneus. The temporal lobe controls auditory and visual memories, language, and some hearing and speech. [25]
The major sulci and gyri mark the divisions of the cerebrum into the lobes of the brain. The four major lobes are the frontal, parietal, occipital and temporal lobes. Other lobes are the limbic lobe, and the insular cortex often referred to as the insular lobe. There are between 14 and 16 billion neurons in the human cerebral cortex. [2]
Correct boundary of occipital lobe (preoccipital notch). 00:19, 3 June 2007: 1,024 × 731 (39 KB) Elembis: Fixed some line intersections. 05:37, 15 February 2007: 1,024 × 731 (36 KB) Selket: Lobes of the brain image without labels. From Image:Lobes of the brain.svg.
{{Information |Description={{Inkscape}} Diagram showing the lobes of the human cerebral cortex and the cerebellum (blue). The brain is seen from the right side, the front of the brain (above the eyes) is to the right: 14:22, 9 July 2007: 313 × 286 (16 KB) CrazyPhunk: Reverted to earlier revision: 14:21, 9 July 2007: 313 × 286 (17 KB) CrazyPhunk
Cerebrum. Cerebral cortex. Frontal lobe; Parietal lobe; Occipital lobe; Temporal lobe; Limbic lobe; Hippocampus; Basal ganglia; Cerebellum; Hypothalamus; Amygdala; Brain stem. Medulla oblongata; Midbrain; Pons; Significant components: Arcuate fasciculus – neural pathway connecting the junction between the temporal and parietal lobes with the ...