Question

Which of the following functions as a signal filter and relays signals to the appropriate portion of the brain?
(A) Thalamus
(B) Hypothalamus
(C) Cerebrum
(D) Cerebellum

Answer 1

Hint: Various parts of the brain are concerned to perform their specific functions. Thalamus is known as the relay centre or junction box of the brain because it functions as a signal filter and relays signals to the appropriate portion of the brain.

Complete Step by Step Answer:
The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger. The central nervous system, or CNS, is made up of the spinal cord that emerges from the brain. The diencephalon's thalamus, which is primarily composed of grey matter, plays a number of crucial roles in human physiology. The thalamus consists of a number of nuclei, each of which serves a particular purpose. These activities include transmitting sensory and motor signals as well as managing consciousness and focus. The thalamus is your body's central nervous system. With the exception of smell, the thalamus is in charge of processing all bodily sensory information before it is sent to the cerebral cortex of the brain for interpretation. The thalamus also plays a role in consciousness, memory, learning, attention, and sleep.

So, option (A) is the correct answer.



Note: While the hypothalamus controls general metabolism, body temperature, appetite, and weariness, the thalamus controls sleep, attentiveness, and wakefulness. The activity in distributed neural networks that give rise to structured actions during alert, wakeful states is influenced by the central thalamus' regulation of forebrain arousal.