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The homunculus is commonly used today in scientific disciplines such as psychology as a teaching or memory tool to describe the distorted scale model of a human drawn or sculpted to reflect the relative space human body parts occupy on the somatosensory cortex (the sensory homunculus) and the motor cortex (the motor homunculus).
A 2-D model of cortical sensory homunculus. A cortical homunculus (from Latin homunculus 'little man, miniature human' [1] [2]) is a distorted representation of the human body, based on a neurological "map" of the areas and portions of the human brain dedicated to processing motor functions, and/ or sensory functions, for different parts of the body.
Precentral gyrus sensory homunculus. Somatotopy [a] is the point-for-point correspondence of an area of the body to a specific point on the central nervous system. [1] Typically, the area of the body corresponds to a point on the primary somatosensory cortex (postcentral gyrus). This cortex is typically represented as a sensory homunculus which ...
As the result of this somatotopic organization of sensory inputs to the cortex, cortical representation of the body resembles a map (or homunculus). In the late 1970s and early 1980s, several groups began exploring the impacts of removing portions of the sensory inputs .
Homunculus Nebula, a part of the Eta Carinae Nebula; Cortical homunculus, also known as the Penfield homunculus, a physical representation of the primary motor cortex of the rest of the body; Fetiform teratoma, a rare cyst having a fetal structure; The homunculus argument is a fallacy arising most commonly in the theory of vision
However, Penfield drew a picture of a human-like figure stretched over the cortical surface and used the term "homunculus" (diminutive of "homo", Latin for "man") to refer to it. It is perhaps for this reason that his work has become so popular in neuroscience. Penfield knew the homunculus idea was a caricature.
Homunculus Loxodontus (nicknamed Zhdun, "The One Who Waits", Snorp, or WOSH) [1] [2] is a statue by Dutch artist Margriet van Breevoort . It was made for the Leiden University Medical Center and installed in the spring of 2016. [3] It became popular in post-Soviet countries where it is called Ждун (Russian informal term for "one who waits ...
That is, the legs and trunk fold over the midline; the arms and hands are along the middle of the area shown here; and the face is near the bottom of the figure. Because Brodmann area 4 is in the same general location as primary motor cortex, the homunculus here is called the motor homunculus.