Describe how sensation and perception work within the process of vision. Include the following terms in your description, and describe how each plays a role in either sensation or perception. Rods and cones Lens Visual association cortex Monocular cues Gestalt principle

In the human visual system, the eye receives physical stimuli in the form of light and sends those stimuli as electrical signals to the brain, which interprets the signals as images. This process is also greatly influenced by perception and sensation. Perception is the sensory experience of the world which involves recognizing and environmental stimuli and action sin response to these stimuli. Through this process, we gain information about the properties and elements of the environment that are critical to our survival. Sensation is any concrete, conscious experience resulting from stimulation of a specific sense organ, sensory nerve, or sensory area in the brain. These two processes work closely with our vision and have many individual terms that go along with them. Rods and cones play an important role in perception. Rods perceive color, and cones perceive shadows in images. Lens also work into perception because they help refract light to be focused on the retina. The visual association cortex is a part of the brain in the cerebral cortex which processes visual information. Monocular cues are all the ways that a single eye helps you see and process what you're looking at. Monocular cues play a huge role in how you perceive the world around you. Gestalt theorists have been incredibly influential in the areas of sensation and perception. Gestalt principles such as figure-ground relationship, grouping by proximity or similarity, the law of good continuation, and closure are all used to help explain how we organize sensory information. This is how sensation and perception work within the process of vision.

Explanation:

Please don't plagiarize and paraphrase before submitting it. Sorry if this didn't help. :(

Sensation is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. Perception is the process of organizing and interpreting this information, enabling recognition of meaningful events. Sensation and perception are actually parts of one continuous process. Vision begins when light enters the eye through the cornea, then passes through the pupil, which is surrounded by the iris. Behind the pupil is the lens, a structure that focuses the incoming light on the retina, which is the layer of tissue that contains photoreceptor cells. As light passes through the retina, it activates the receptor cells, known as rods and cones. Rods are visual neurons that specialize in detecting black, white, and gray colors. They do not provide clear detail within the images we see, but they are useful for seeing in dim light or darker environments. Located primarily in and around the fovea, cones are visual neurons that detect fine detail and colors. These all are part of the sensation process in vision. The visual association cortex is an area of the cerebral cortex located in the occipital lobe of the brain, which processes visual information. Monocular cues are the ways that a single eye helps you process what the eye is looking at. Monocular cues include relative size, interposition, linear perspective, aerial perspective, light and shade, and monocular movement parallax. Gestalt principles are rules that describe how the human eye perceives visual information. These principles aim to explain how complex scenes can be reduced to simpler shapes and how the eyes perceive the shapes as a single, united form rather than the separate simpler elements involved. These all are part of the perception process in vision.  

Explanation:

that is what I submitted, you should probably rewrite or paraphrase some of it. :)

september 15, 2015

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