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Unit 3: Sensation and Perception

AP Psychology

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Q&A Study Session (Unit 3)

Dr. Mohl answers questions relating to Unit 3, Sensation and Perception.

📝study guide

3.0 Unit 3 Overview: Sensation and Perception

According to College Board, "Psychologists study sensation and perception to explain how and why externally gathered sensations and perceptions impact behaviors and mental processes 🧠 Using input from several anatomical structures, the sensations we perceive process and interpret information about the environment 🌳 around us and our place within it.

Unit 3 FRQ (2019 - 2020)

Answer a multi-part official Collegeboard FRQ from 2012 by using strategies and formatting information discussed in the stream. Learn common mistakes with FRQs by analyzing previous answers to the FRQ and their corresponding Collegeboard commentary.

Unit 3 FRQ (2019 - 2020) - Slides

Browse slides from the stream 'Unit 3 FRQ (2019 - 2020).'

Auditory Sensation and Perception (2019 - 2020) - Slides

Browse slides from the stream 'Auditory Sensation and Perception (2019 - 2020).'

Auditory Sensation and Perception (2019 - 2020)

The anatomy of the ear along with theories of hearing are discussed. The concept of auditory localization is also explained.

Visual Anatomy and Perception (2019-20)

In this stream we discuss visual anatomy with particular focus on the retina. We also discuss the perception of color in regards to theories and the visual light spectrum. Gestalt principles and monocular cues will also be discussed.

Visual Anatomy and Perception (2019-20) - Slides

Browse slides from the stream 'Visual Anatomy and Perception (2019-20).'

Principles of Sensation and Perception (2019-20)

Basic principles of perception, mostly pertaining to vision, are discussed.

Principles of Sensation and Perception (2019-20) - Slides

Browse slides from the stream 'Principles of Sensation and Perception (2019-20).'

Sensory Mechanisms - Eyes & Ears (2018-19)

This session will explore how our receptors (eyes, ear, etc.) allow us to process and interact with the world around us. Students will learn about the parts of the ear and eye, their functions, and theories related to vision and hearing. We will also explore a biopsychosocial approach to pain and theories as to why we experience pain.

Sensory Mechanisms - Eyes & Ears (2018-19) - Slides

Browse slides from the stream 'Sensory Mechanisms - Eyes & Ears (2018-19),' where we cover topics including Sensation, and Perception.

Sensation & Perception (2018-19) - Slides

Browse slides from the stream 'Sensation & Perception (2018-19),' where we cover topics including Sensation, and Perception.

Sensation & Perception (2018-19)

This session is an introduction to sensation and perception and how these factors influence our experience and interpretation of the world around us. We will compare and contrast sensation and perception, top-down and bottom-up processing, and absolute thresholds to difference thresholds. Finally, we will discuss why we do perceive and process or fail to perceive information.

📝study guide

3.1 Principles of Sensation

Sensation is the process where our sensory receptors and brain interpret the stimulus energies around us from our environments. We are able to process information in two different ways:

📝study guide

3.2 Principles of Perception

Organizing and interpreting sensory information is all part of perception. Now, you may ask, what is the main difference between sensation and perception? Sensation is the actual awareness of our environment through the five senses while perception is the way we interpret this sensory information to tell us something about our environment, making sense of where we are.

📝study guide

3.3 Visual Anatomy

To understand light, you should be familiar with the electromagnetic spectrum. Humans see visible light. The spectrum varies in wavelength from 400nm to 700m, purple to red. Wavelength is the distance between two peaks or two troughs of a wave. Wavelength determines hue, the dimension of color.

📝study guide

3.4 Visual Perception

As said before, gestalt principles allow you to be vulnerable to illusion. Top-down processing is involved in your brain falling for these illusions.

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3.5 Auditory Sensation and Perception

Your sense of hearing is often called audition, but how do we hear sound? Sound waves that happen from the vibration of molecules enter your ear. Each vibration causes molecules to compress and expand, which is often called one sound wave. The greater the compression, the higher the altitude, and the louder the sound.

📝study guide

3.6 Chemical Senses

There are two chemical senses: taste (gustation) and smell (olfaction). They are chemical senses since the stimuli are the molecules of the object you are tasting or smelling.

📝study guide

3.7 Body Senses

Body senses provide you with information about the position of your body in respect to your environment. The four main ones are touch, pain, vestibular, and kinesthesis.

browse by units

Free Reviews 2020

32 resources

Unit 1: Scientific Foundations of Psychology

27 resources

Unit 2: Biological Bases of Behavior

31 resources

Unit 3: Sensation and Perception

21 resources

Unit 4: Learning

18 resources

Unit 5: Cognitive Psychology

22 resources

Unit 6: Developmental Psychology

17 resources

Unit 7: Motivation, Emotion, & Personality

30 resources

Unit 8: Clinical Psychology

23 resources

Unit 9: Social Psychology

11 resources

Course Overview

14 resources

Multiple Choice Questions (MCQ)

6 resources

Free Response Questions (FRQ)

7 resources

Blogs

8 resources

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