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  2. Sensory nervous system - Wikipedia

    en.wikipedia.org/wiki/Sensory_nervous_system

    The visual system and the somatosensory system are active even during resting state fMRI Activation and response in the sensory nervous system. The sensory nervous system is a part of the nervous system responsible for processing sensory information. A sensory system consists of sensory neurons (including the sensory receptor cells), neural ...

  3. Stimulus (physiology) - Wikipedia

    en.wikipedia.org/wiki/Stimulus_(physiology)

    The feeling is recorded by sensory receptors on the skin and travels to the central nervous system, where it is integrated and a decision on how to respond is made; if it is decided that a response must be made, a signal is sent back down to a muscle, which behaves appropriately according to the stimulus. [3]

  4. Somatosensory system - Wikipedia

    en.wikipedia.org/wiki/Somatosensory_system

    The somatosensory system, or somatic sensory system is a subset of the sensory nervous system. ... Gray's Anatomy, figure 759: the sensory tract, ... Medical Physiology.

  5. Human brain - Wikipedia

    en.wikipedia.org/wiki/Human_brain

    Humans have more association cortex, sensory and motor parts than smaller mammals such as the rat and the cat. [261] As a primate brain, the human brain has a much larger cerebral cortex, in proportion to body size, than most mammals, [259] and a highly developed visual system. [262] [263]

  6. Transduction (physiology) - Wikipedia

    en.wikipedia.org/wiki/Transduction_(physiology)

    Principal steps of sensory processing. In physiology, transduction is the translation of arriving stimulus into an action potential by a sensory receptor. It begins when stimulus changes the membrane potential of a sensory receptor. A sensory receptor converts the energy in a stimulus into an electrical signal. [1]

  7. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    In the visual system, retinal, technically called retinene 1 or "retinaldehyde", is a light-sensitive molecule found in the rods and cones of the retina. Retinal is the fundamental structure involved in the transduction of light into visual signals, i.e. nerve impulses in the ocular system of the central nervous system.

  8. Sensory neuroscience - Wikipedia

    en.wikipedia.org/wiki/Sensory_neuroscience

    Sensory neuroscience is a subfield of neuroscience which explores the anatomy and physiology of neurons that are part of sensory systems such as vision, hearing, and olfaction. Neurons in sensory regions of the brain respond to stimuli by firing one or more nerve impulses ( action potentials ) following stimulus presentation.

  9. Sense - Wikipedia

    en.wikipedia.org/wiki/Sense

    Sensory organs are organs that sense and transduce stimuli. Humans have various sensory organs (i.e. eyes, ears, skin, nose, and mouth) that correspond to a respective visual system (sense of vision), auditory system (sense of hearing), somatosensory system (sense of touch), olfactory system (sense of smell), and gustatory system (sense of taste).