Distinguish between “sensation” and “perception”. Identify some of the major structures in the brain that are responsible for these processes.

The Brain and Sensation and Perception: Seeing Is Believing?
To prepare for this discussion, please read Chapters 2 and 3 of your textbook. In addition, watch Perspective: Brain Games (Season 6) and the Charlie Chaplin Optic Illusion (Links to an external site.)Links to an external site. and read “Culture and Point of View (Links to an external site.)Links to an external site.”. Additionally, review the weekly Instructor Guidance and any relevant Announcements. In this discussion, you will consider the important role the brain plays in perceiving sensory information by describing perception, examining individual experience, recognizing cultural differences, and applying this content to your own life experiences.

The brain is a marvelous tool that helps us interpret the many experiences we encounter on a daily basis. Yet, our perception may be vastly different than the reality of the sensory cues we receive.

Watch Perspective: Brain Games (Season 6), which explores the way in which the brain actively constructs reality. In addition, view the
Charlie Chaplin Optic Illusion (Links to an external site.)Links to an external site..

Read “Culture and Point of View (Links to an external site.)Links to an external site.”.
Discuss perception. In your discussion, include the following:
Distinguish between “sensation” and “perception”. Identify some of the major structures in the brain that are responsible for these processes.
Identify some of the important cues the brain uses to make sense of the world.
Examine why the brain sometimes perceives things differently than they actually are. Point out an example other than those given in the required sources for the week.
Indicate possible cultural explanations for differences in perceptual experience based on your resources and your experiences (see “Culture and Point of View (Links to an external site.)Links to an external site.”).
Remember to use your own academic voice (Links to an external site.)Links to an external site. and apply in-text citations (Links to an external site.)Links to an external site. appropriately throughout your post
Post your initial response of 250 words or more by Day 3 (Thursday). Respond to at least two of your peers by Day 7 (Monday). You are encouraged to post one or more of your required replies early each week (e.g., by Saturday) to stimulate more meaningful and interactive discourse in the discussion forum. In addition, strive to provide a response to classmates who replied to your initial post and/or the Instructor (if applicable). Peer responses may vary in length but should be carefully crafted and insightful. Below are some suggestions to assist your thinking.

Guided Response: Reply to two or more peers overall. The goal of the discussion forum is to foster continual dialogue, similar to what might occur in a verbal face-to-face exchange. Consider the following questions in your responses:

How are your experiences similar to or different than those offered by your peers? Can you offer additional examples?
Can you think of any cultural influences that might affect sensation and perception?
How might damage to different parts of the brain impact various processes related to sensation and perception?
Continue to monitor this discussion board through 5 PM (Mountain Time) on Day 7 of the week. Peer responses may vary in length but should be detailed and thought provoking. You are expected to respond to any question posed to you by the instructor, and you are encouraged to reply to your classmates’ questions as well. Your grade will reflect both the quality of your initial post and the depth of your responses to your classmates and your instructor.

Discussion 1 Reply

Andrew Jarman

Yesterday Jun 26 at 12:37pm
“Strictly speaking, sensation is the immediate response of our senses to sensory stimulation; Perception is the brain’s interpretation of the signals it receives from its various sensory systems” says (Guy R. Lefrançois, 2016). Our brain receives signals from our different senses, such as taste or smell, and then interprets what it receives giving us a perception. There are different brain structures that enable these activities to happen. For example, the human brain is broken into three structures; the hindbrain, midbrain, and forebrain. The hindbrain is further broken down by the cerebellum, medulla, and pons. This section of the brain is responsible for balance, coordination, breathing, sleeping, movement, arousal, and respiration (Lefrancois, 2016). The midbrain is at the top of the brain stem. It connects the hindbrain to the forebrain and is primarily involved with maintaining arousal, or alertness and motivation (Lefrancios, 2016). The forebrain is the largest structure of the human brain. It completely surrounds the midbrain and is responsible for human thought, behavior, and emotion (Lefrancois, 2016). These structures of the human brain are broken down further into many other substructures. There are some important cues the brain uses to make sense of the world around us including; binocular cues, and monocular cues. Binocular cues means that our eyes are both place in front and as a result we have a much better perception of depth and distance. This is because both eyes are focused on an object at the same time. If the object is moved closer our eyes converge or point slightly inward (Lefrancois, 2016). Monocular cues do not depend on having two eyes. These cues are things such as larger objects are judged to be closer, objects behind another are further away, converging lines suggest distance, and shady objects are seen as being distant (Lefrancois, 2016). Because of these different cues it is sometimes easy to trick the brain into perceiving things differently than they actually are. For example, if the brain perceives shaded objects as being farther away one can shade an object that is actually closer and make it appear far off. The same can be said for the size of an object. If object close up seem larger then they will seem smaller if they are moved farther. However, one can place a small object very close but yet it will give an illusion as being far off. Different societies will dictate how individuals perceive the world around them. “East Asians have been found to classify objects and events on the basis of relationships and family resemblance, whereas Americans classify on the basis of rule-based category membership” says (Richard E. Nisbett and Takahiko Masuda, 2003). Reference Guy R. Lefrançois (2016) Psychology: The Human Puzzle, Second Edition. Retrieved June 26, 2017, from https://content.ashford.edu/books/AUPSY101.16.1/sections/sec3.1 Nisbett, R. and Masuda, T. (2003). Culture and point of view. Retrieved June 26, 2017, from http://www.pnas.org/content/100/19/11163.full
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