Search results
Results from the WOW.Com Content Network
Second-order motion perception [ edit ] Second-order motion is when the moving contour is defined by contrast , texture , flicker or some other quality that does not result in an increase in luminance or motion energy in the Fourier spectrum of the stimulus.
The input would be filtered two times in a mirror-symmetrical manner, one before the multiplication and one after the multiplication, which gives a second-order motion estimation. [ 17 ] [ 20 ] This generalized Reichardt model allows arbitrary filters before the multiplicative nonlinearity as well as filters post-nonlinearity. [ 17 ]
A somatosensory pathway will typically have three neurons: [18] first-order, second-order, and third-order. [ 19 ] The first-order neuron is a type of pseudounipolar neuron and always has its cell body in the dorsal root ganglion of the spinal nerve with a peripheral axon innervating touch mechanoreceptors and a central axon synapsing on the ...
Landy's research uses computational models to describe the human visual system, including perception of texture, orientation, stereopsis, and motion. He also researches decision-making and motor planning. Landy is best known for his work on cue combination. Cue combination is the process by which the brain combines information from multiple ...
Biological motion perception is the act of perceiving the fluid ... The second stage attempts to use the temporal order of the stimulus frames to change the ...
The corollary discharge theory (CD) of motion perception helps understand how the brain can detect motion through the visual system, even though the body is not moving. . When a signal is sent from the motor cortex of the brain to the eye muscles, a copy of that signal (see efference copy) is sent through the brain as
The third-order neurons then send the signal to the somatosensory cortex. More recent work has expanded the role of the cutaneous mechanoreceptors for feedback in fine motor control . [ 12 ] Single action potentials from Meissner's corpuscle , Pacinian corpuscle and Ruffini ending afferents are directly linked to muscle activation, whereas ...
The visual system performs a number of complex tasks based on the image forming functionality of the eye, including the formation of monocular images, the neural mechanisms underlying stereopsis and assessment of distances to (depth perception) and between objects, motion perception, pattern recognition, accurate motor coordination under visual ...