Sensation & Perception Intro 3.2 PDF

Sensation & Perception Intro 3.2  Agenda - Warm Up - 5 Mins Stroop Effect Activity - 20 Mins Exit Ticket 5 Mins  5 Mins Warm Up: Imagine you are walking through a forest...

Sensation & Perception Intro 3.2  Agenda - Warm Up - 5 Mins Stroop Effect Activity - 20 Mins Exit Ticket 5 Mins  5 Mins Warm Up: Imagine you are walking through a forest and see a rustling in the bushes. Based on your previous experiences using top-down reasoning, what would you assume might be there? Explain the process of transduction that occurs at this time. Respond in 3-4 sentences. What does it mean?  5 Mins Explain What is something we as humans have specifically evolved to see rather than any other organism? Think about what you look for when looking for people, maybe places? How many of you have seen, played, or heard of where’s waldo? 5 Mins Explain  Explain We as people have evolved much like other organisms to perceive and detect things that align with our safety, life style, and abilities. As humans, we have developed the specialized ability to recognize faces from a part of our brain called the FFA (Fusiform, Face, Area)  5 Mins Explain  5 Mins Explain  SENSATION & PERCEPTION PRINCIPLES Absolute Threshold: Smallest level of stimulus that can be detected, usually defined as at least half the time(Point something becomes noticeable) How dim can a light be or how soft can a sound be and still be detected half of the time Apple music ex:  5 Mins What is this? Create your own example of the absolute threshold. Describe a situation where you detect the smallest amount of a stimulus (such as sound, light, or taste) they can perceive. Explain why this situation represents the absolute threshold. You canNOT use hearing music as one. SENSATION SENSATION& PERCEPTION PRINCIPLES & PERCEPTION PRINCIPLES Examples of Absolute Thresholds Sense Threshold Sight A candle flame at 30 miles on a clear, dark night Hearing The tick of a watch 20 feet away in a quiet room Smell One drop of perfume diffused throughout a three-room apartment Taste 1 teaspoons of sugar in 2 gallons of water Touch A bee’s wing falling on the cheek from 1 centimeter above  SENSATION & PERCEPTION PRINCIPLES Difference Threshold “Just Noticeable Difference (JND)”: The amount something must be changed in order for a difference to be noticeable, or detectable at least half the time  5 Mins What is this? Each of you pull out your phone and play a song. I want you to measure the volume levels, what was your absolute threshold, what was the just noticeable difference? What is this? What is this? What is the JND? What is the just noticeable difference between the two cans, how different does it make them?  The Stroop Effect The Stroop Effect: a psychological phenomenon that demonstrates the interference between different cognitive processes. It occurs when there is a conflict between the automatic processing of a stimulus and the controlled processing required to complete a task Automatic processing: Reading words is a fast, automatic process. Controlled processing: Naming the ink color requires more cognitive effort. Interference: The conflict between these processes slows down reaction times when there’s a mismatch between the word and the color. Let’s Give it a Try! What color is this? Step 1 What color is this? Step 2  Step 3 YELLOW PURPLE RED GREEN BLACK RED YELLOW BLUE BLUE GREEN ORANGE GREEN PURPLE WHITE PURPLE YELLOW BLUE ORANGE BLACK READ THE COLORS AS FAST AS YOU CAN SENSATION & PERCEPTION PRINCIPLES READ THE COLORS AS FAST AS YOU CAN SENSATION & PERCEPTION PRINCIPLES SAY THE COLORS OF THE WORDS AS FAST AS YOU CAN  SENSATION SENSATION& PERCEPTION PRINCIPLES & PERCEPTION PRINCIPLES Change Blindness: The tendency people have to miss changes in their immediate visual environment People are capable of missing both minor and major changes that take place right in front of them  Change Blindness What was the most significant change you didn’t notice? Was anyone more surprising? Why do you feel like you were so blind to everything going on?