Chapter 5: Sensing and Perceiving


Exercises: Read & Learn

Exercise: Watch & Learn

3 Optical Illusions that Exploit Your Visual System: A short video looking at some fascinating visual illusions.

Video 5.1: 3 Optical Illusions that Exploit Your Visual System ( posted by BiteSizePsych.

Exercise: Watch & Learn

Color Vision: Theories, Afterimages and More – A comprehensive look at competing theories of colour vision.

Video 5.2: Color vision: Theories, Afterimages and More ( posted by the American Psychological Association. 

Exercise: Watch & Learn

The Effect of Red on Consumer Behavior: A researcher describes some of his work on the impact of colour on behaviour.

Video 5.3: The Effect of Red on Consumer Behaviour (, posted by Rajich Bagchi.

Exercise: Watch & Learn

Understanding Driver Distraction: A researcher introduces his work on distracted driving.

Video 5.4: Understanding Driver Distraction, (, posted by David Strayer.

Exercise: Think & Do

How Old Are Your Ears? : Try this hearing test on people of different ages (be ready to reduce the volume immediately especially if YOU cannot hear the sound – it may be very unpleasant for people who can hear it!)

Video 5.5:  How old are your ears?  ( uploaded by AsapSCIENCE.

Exercise: Watch & Answer

Video About Hearing and How it Works: Watch this video about hearing then see if you can answer some questions about it:

a) What happens when the eardrum vibrates?
b) What happens in the cochlea?
c) In terms of our ability to detect differences in pitch, which theory described in the text is presented in the video

Video 5.6:  Video About Hearing and How it Works (, uploaded by Med El.

Answers to questions above:
a. The vibration of the eardrum causes the bones in the middle ear (hammer, anvil and stirrup) to vibrate.
b. Mechanical vibration is transformed into electrical signals in the cochlea.
c. The video describes the place theory of hearing different pitches.


Exercises: Read, Watch and Answer

  1. Find your blind spot using this interactive activity:
  2. The “continuous concentration” activity on this site assesses how well you can concentrate:



American Psychological Association. (2014, December 9). Color vision: Theories, afterimages and more [Video File]. Retrieved from

American Psychological Association. (2014, July 23). Strayer, Dr. David. Understanding driver distraction [Video File]. Retrieved from

AsapSCIENCE. (2013, August 13). How old are your ears? [Video File]. Retrieved from

Bite Sized Psych. (2016, February 14). 3 optical illusions that exploit your visual systems [Video File]. Retrieved from

CBC News. (2017). Hearing loss on the rise in young adults. Retrieved from

CNN Style. (2017). ‘Island of the Colorblind’: Where the jungle is pink, the sea is gray and the light is far too bright. Retrieved from

Fong, K., & Nahai, N. (Hosts) & Krysiak, E. & Sandersons, M. (Producers). (2016). Scents and sensibility: What’s it like to live without smell [Audio podcast]. Retrieved from

Med-El. (2012, November 13). Video about hearing and how it works [Video File]. Retrieved from

New Scientist. (2009). Callaway, Ewen. The blind spot and the vanishing head illusion. Retrieved from

Science Alert. (2015). Do women really tolerate pain better than men? Retrieved from

Serendip Studio. Seeing more than your eye does. Retrieved from

Test My Brain. (n.d.). Retrieved from

The Guardian. (2017). Not to be sniffed at: Human sense of smell rivals that of dogs, says study. Retrieved from

University of Virginia. (2013, April 22). Virginia Tech: The impact of color on consumer behavior [Video File]. Retrieved from




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