Senses Topics

• labyrinthine system
• pressure receptors
• distinct phenomenon
• linear acceleration
• perception of depth
• function of brain
• inner ears
• time and sense
• angular momentum
• science and philosophy
• cognitive psychology
• sensory function
• anatomists
• sensory system
• sense of taste
• sensory input
• cognitive science
• subjective experience
• photons
• amplitude

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The senses and their operation, classification, and theory are overlapping topics studied by a variety of fields, most notably neuroscience, cognitive psychology (or cognitive science), and philosophy of perception. The nervous system has a specific sensory system, or organ, dedicated to each sense.

Voustianiouk , and six more if interoceptive senses are also considered.

This categorisation has been criticized as too restrictive, however, as it does not include categories for accepted senses such as the sense of time and sense of pain.

Neuroanatomists generally regard it as two senses, given that different receptors are responsible for the perception of colour (the frequency of photons of light) and brightness (amplitude/intensity - number of photons of light). Some argue that stereopsis, the perception of depth, also constitutes a sense, but it is generally regarded as a cognitive (that is, post-sensory) function of brain to interpret sensory input and to derive new information. The inability to see is called blindness.

There are at least four types of tastes The Sense of Taste that "buds" (receptors) on the tongue detect, and hence there are anatomists who argue that these constitute five or more different senses, given that each receptor conveys information to a slightly different region of the brain. The inability to taste is called ageusia.

The organ of equilibrioception is the vestibular labyrinthine system found in both of the inner ears. Technically this organ is responsible for two senses, angular momentum and linear acceleration (which also senses gravity), but they are known together as equilibrioception.

It was believed that pain was simply the overloading of pressure receptors, but research in the first half of the 20th century indicated that pain is a distinct phenomenon that intertwines with all of the other senses, including touch. Pain was once considered an entirely subjective experience, but recent studies show that pain is registered in the anterior cingulate gyrus of the brain.

Source: Wikipedia > Sense