HOW DO WE HEAR?
ANATOMY AND MECHANISMS OF THE EAR
PINNA: THE EARFLAP PART OF THE OUTER EAR OF MOST MAMMALS, WHICH IS USEFUL FOR SOUND LOCALIZATION
EXTERNAL AUDITORY CANAL: THE CYLINDRICAL CANAL THAT CREATES THE PATHWAY FOR SOUND WAVES TO THE EAR
Chapter 1 Psychophysics
January 21, 2015
Coined by Fechner
Methods for quantitatively measuring the relationship between properties of the stimulus and
the subjects experience.
Independent variables (variables manipulated)
o Light, sound, et
Exam 3 material
Perception involves a complex interaction between bottom-up and top-down processes
Perception is initiated by the components of the stimulus pattern (which, when summed, lead to
recognition of the whole configuration)
Final Exam Material
What about animals that echolocate?
The use of self-produced echoes to gain location information
Bats emit and receive ultrasonic pulses (frequencies above 30 kHz)
Emit two types of pulses
o Constant frequency pulse
The Chapter 1 Introduction
January 15, 2015
What is Sensation and Perception?
o The initial process of detecting and encoding environmental energy
o The process of organizing and interpreting sensations into meaningful experiences
Chapter 2 Vision
February 2, 2015
What is vision?
What does it involve?
Why do we see?
What do we see?
How do we see?
How do we know what we see?
Why do we see?
Nature selected those animals that could accurately detect their environment
Exam 3 Material
Topics for paper/presentation open up on Monday @ 11 am
Perception involves a complex interaction between bottom-up and
Perception is initiated by the components of the stimulus pattern