Receptive field
The area of a space in which a receptor can respond to a stimulus .At this stage sensory info is in the form of energy which can not be sent to or processed by the brain.
A receptive field, in the context of neurophysiology, is the specific region of sensory space that elicits a response from a particular sensory neuron. A receptive field can be defined as the area of the sensory world within which a stimulus will change the activity of a single sensory neuron. The size and shape of a receptive field can vary depending on the type of sensory input (such as vision, touch, or hearing) and the location of the sensory receptor in the body.
For example, the receptive field for a visual neuron in the retina of the eye might be a small region on the surface of the retina, within which the neuron responds to light stimuli. The receptive field for a auditory neuron in the inner ear might be a specific frequency range where the neuron responds to sound stimuli.
Receptive fields are important because they provide a way for the brain to interpret and integrate sensory information from different parts of the body. Understanding how receptive fields are organized and how they respond to sensory stimuli can provide insights into how the brain processes sensory information, and can help explain how different sensory inputs are integrated to form a coherent perceptual experience.
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