MEDICAL PHYSIOLOGY

PHYSIOLOGY

CENTRAL NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many lobes is the cerebrum divided into?
A
2
B
4
C
6
D
8
Explanation: 

Detailed explanation-1: -The cerebrum consists of two cerebral hemispheres the outer layer called the cortex (gray matter) and the inner layer (white matter). There are four lobes in the cortex, the frontal lobe, parietal lobe, temporal lobe, occipital lobe. This review article will focus on the functions of the cerebral cortex.

Detailed explanation-2: -The four lobes of the cerebral cortex are frontal lobe, parietal lobe, temporal lobe and occipital lobe. Their functions are as follows: Frontal lobe − It is responsible for cognitive functions such as attention, thinking, memory, reasoning and learning. It also inhibits the autonomic and emotional responses.

Detailed explanation-3: -Based on the surface appearance, three lobes can be distinguished within the cerebellum: the anterior lobe (above the primary fissure), the posterior lobe (below the primary fissure), and the flocculonodular lobe (below the posterior fissure).

Detailed explanation-4: -The four lobes of the brain are the frontal, parietal, temporal, and occipital lobes (Figure 2). The frontal lobe is located in the forward part of the brain, extending back to a fissure known as the central sulcus . The frontal lobe is involved in reasoning, motor control, emotion, and language.

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