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Multiple Choice
The frontal lobe is separated from the temporal lobe by the:
A
lateral sulcus
B
central sulcus
C
parieto-occipital sulcus
D
longitudinal fissure
Verified step by step guidance
1
Step 1: Begin by identifying the anatomical structures mentioned in the question. The frontal lobe and temporal lobe are parts of the brain located in the cerebral cortex, responsible for various functions such as decision-making, motor control, and auditory processing.
Step 2: Understand the term 'sulcus.' A sulcus is a groove or furrow on the surface of the brain that separates different lobes or regions. Familiarize yourself with the specific sulci mentioned in the options: lateral sulcus, central sulcus, parieto-occipital sulcus, and longitudinal fissure.
Step 3: Recall the anatomical location of the frontal lobe and temporal lobe. The frontal lobe is located at the front of the brain, while the temporal lobe is situated below it, on the sides of the brain. The sulcus separating these two lobes is a prominent groove.
Step 4: Match the sulci to their respective locations. The lateral sulcus (also known as the Sylvian fissure) is the groove that separates the frontal lobe from the temporal lobe. The central sulcus separates the frontal lobe from the parietal lobe, the parieto-occipital sulcus separates the parietal lobe from the occipital lobe, and the longitudinal fissure divides the two cerebral hemispheres.
Step 5: Conclude that the correct answer is the lateral sulcus, as it is the anatomical structure that separates the frontal lobe from the temporal lobe.