Our brains are very complex organs. In this lab we are going to be testing our reaction times to sight, our eyes, our hearing, and determining which side of our brain is dominant.

• Our brains are very complex organs. In this lab we are going to be testing our reaction times to sight, our eyes, our hearing, and determining which side of our brain is dominant.

Procedure:  Test your reaction time to the sight of a pitcher throwing a ball by going towww.exploratorium.edu/baseball/reactiontime.html (Links to an external site.).  Test your reaction times in the morning and in the evening. Record your results.

Now go to http://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=43 (Links to an external site.)

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And compare your reaction time to sound with your reaction time to sight. Record your results.

Take the Stroop test.  A scientist names Stroop determined that people distinguish colors with their right brain, and that they read with their left-brain.  Go to http://faculty.washington.edu/chudler/words.html (Links to an external site.)

and take the Stroops test. What are your thoughts on this test?

Test yourself for color blindness.  Go to www.everwonder.com/david/colorblind.html (Links to an external site.) and take the colorblind test.  What are your thoughts about this test?

Test your hearing.  Go to http://www.freehearingtest.com/test.shtml (Links to an external site.) and see if you can hear the three different frequencies.  What are your thoughts on this test?

Test your eyesight.  Go to http://www.sterlingoptical.com/eye_screening/ (Links to an external site.) and test your vision.  What are your thoughts on this test?

• Here is a list of non disjunction disorders. Pick a disorder and describe it. What is the disorder? What are the symptoms?

http://www.biology.iupui.edu/biocourses/N100/2k2humancsomaldisorders.html (Links to an external site.)

complex organs

complex organs