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What special senses is relayed directly to the cerebral cortex without going to the thalamus?
Wiki User
∙ 12y ago
Its smell
Information goes to olfactory cortex of the frontal lobe without going through the thalamus. Its the only major sense that does not go through the thalamus
Wiki User
∙ 12y ago
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What is the role of the thalamus in hearing vision taste and smell?
It is the part of the brain whose function includes relaying sensation, special sense and motor signals to the cerebral cortex, along with the regulation of consciousness, sleep and alertness.It acts as a kind of railway signal box. As information comes in through the senses, it goes directly to the thalamus and it sends the signals off to different parts of the railway yard (brain). It will send the signal to the cortex, or rational part of the brain and to the limbic or emotional brain at the same time. Although the limbic system will react to the stimulus a lightning split second quicker than the cortex, often sending people into flight or fight when it's not really appropriate in the present circumstances.--1. Thalamus acts as a relay station for both afferent and efferent fibres of the cerebral cortex. ]2. Along with the hypothalamus, it helps in sleep and wakefullness.3. Along with the cerebellum & basal ganglia, it helps in maintaining body posture.The thalamus is a by-station from the sensory organs to the cerebral cortex sensory regions. It has a somatosensory mapping of the body and has known integrative functions.There is also a part of the brain called the hypothalamus. It is the "leader" of the endocrine system. It controls what and where the hormones do and go and when they go at a certain time---One of the functions of the thalamus is to relay sensory information by transmitting axons to other regions of the cerebral cortex. Such as: the sense of touch is relayed to the parietal lobe, the sense the sight is relayed to the occiptal lobe, the sense of hearing is relayed to the temporal lobe, and the sense of balance is relayed to the cerebellum. The thalamus does NOT relay the sense of smell to the temporal lobes though.---The thalamus is the gateway to the brain that is responsible or receiving almost all incoming sensory information before the information reaches the cortex. Axons from every sensory system, except for olfaction, synapse in the thalamus as a last pit stop before the information reaches the cerebral cortex.The functions of the thalamus include relaying sensory and motor signals to and from the cerebral cortex, regulating consciousness, sleep, and alertness.The thalamus is a by-station from the sensory organs to the cerebral cortex sensory regions. It has a somatosensory mapping of the body and has known integrative functions.There is also a part of the brain called the hypothalamus. It is the "leader" of the endocrine system. It controls what and where the hormones do and go and when they go at a certain time http://www.answers.com/thalamus receives messages from all of the sensory receptors throughout the body and then relays the info to the proper region of the cerebrum for further processing.A small glandular organ that is situated behind the top of the breastbone, consisting mainly of lymphatic tissue and serving as the site of T cell differentiation. The thymus increases gradually in size and activity until puberty, becoming vestigial thereafter.It relays information from different parts of the brain.it is part of your brain. it is the relay for sensory impulses. it shows what is pleasant and unpleasant.The thalamus is a major relay center. All incoming sensory information except smell goes through the thalamus, before reaching the cerebral cortex. (And even smell has a pathway connecting to the thalamus.) The actual processing of the sensory information starts here, this is especially true about vision. It also participates in the regulation of sleep, arousal and wakefulness, and plays a role in motor functions as well.
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