2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface
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Video Introduction

The content is sourced from: https://youtu.be/LQ4DlE1Xyd4

The brain is made up of two halves, known as cerebral hemispheres. When looking at the brain from a lateral view, which just means looking at it from the side, we will only see one cerebral hemisphere, but the landmarks I will point out are found on both cerebral hemispheres. 

The surface of the cerebral hemispheres is covered with a thick layer of brain tissue known as the cerebral cortex. The cerebral cortex is folded to create more surface area, forming these ridges known as gyri and grooves called sulci. This large sulcus is called the central sulcus. It divides the frontal lobe from the parietal lobe. This sulcus is known as the Sylvian fissure, and it separates the temporal lobe from the rest of the cerebral hemisphere. The occipital lobe is found at the back of the brain, but it doesn’t have such a clear division separating it from the rest of the brain.

There are certain functions associated with the lobes, but any short description of these functions is oversimplified, as each is involved in many different processes. The frontal lobes are important for movement and higher-order cognition like rational thought, decision-making, and planning. This area in front of the central sulcus is known as the precentral gyrus, and it is essential for motor control as it is the location of the primary motor cortex. The parietal lobes are important for processing of sensory information and are involved in attention and our representation of the space around us. This area in the parietal lobe, the postcentral gyrus, contains the primary somatosensory cortex and is where the sense of touch is processed. The temporal lobe is involved in processing auditory signals and also is important in aspects of learning and memory. The occipital lobes contain major visual processing areas of the brain, like the primary visual cortex. [1]

References
  1. Purves D, Augustine GJ, Fitzpatrick D, Hall WC, Lamantia AS, McNamara JO, White LE. Neuroscience. 4th ed. Sunderland, MA. Sinauer Associates; 2008.
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Challenged, N. 2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface. Encyclopedia. Available online: https://encyclopedia.pub/video/video_detail/1253 (accessed on 15 November 2024).
Challenged N. 2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface. Encyclopedia. Available at: https://encyclopedia.pub/video/video_detail/1253. Accessed November 15, 2024.
Challenged, Neuroscientifically. "2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface" Encyclopedia, https://encyclopedia.pub/video/video_detail/1253 (accessed November 15, 2024).
Challenged, N. (2024, May 13). 2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface. In Encyclopedia. https://encyclopedia.pub/video/video_detail/1253
Challenged, Neuroscientifically. "2-Minute Neuroscience: Lobes/Landmarks of the Brain Surface." Encyclopedia. Web. 13 May, 2024.
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