Textbook Notes (380,875)
CA (168,245)
UTSG (11,037)
PSY (2,994)
PSY100H1 (1,839)
Chapter 5

chapter 5 notes from text

4 Pages
51 Views

Department
Psychology
Course Code
PSY100H1
Professor
Michael Inzlicht

This preview shows page 1. Sign up to view the full 4 pages of the document.
Chapter 5
-Sensation: how sense organs respond to external stimuli and transmit the
responses on the brain
-Perception: the processing, organization and interpretation of sensory signals that
result in an internal representation of the stimulus
-Transduction: a process by which sensory receptors produce neural impulses
when they receive physical or chemical stimulation
-Absolute Threshold: the minimum intensity of stimulation that must occur before
one can experience a sensation
-Difference Threshold: the minimum amount of change required in order to detect
a difference between intensities of stimuli.
-Sensory Adaptation: when an observers sensitivity to stimuli decreases over time
-Taste Buds: sensory receptors that transducer taste information
The study of sensation focuses on how our sense organs respond to and detect
external stimulus energy. Stimuli need to be transduced in order for the brain to
use that information. Sensory coding for quantitative factors, such as intensity and
loudness, depends on the number of neurons firing and how frequently they fire.
Qualitative aspects, such as color or bitterness, are coded by the integration of
activation across specific receptors. The development of psychophysical methods
allowed psychological scientists to study psychological reaction to physical
events. Psychophysical methods can be used to determine thresholds for detecting
events and for noticing change. These thresholds can be influenced by situational
factors and by biases in human judgment.
-Olfactory Bulb: the brain centre for smell, located below the frontal lobes
-Pheromones: chemicals released by animals and humans that trigger physiological
or behavioural reactions in other members of the same species
-Haptic Sense: the sense of touch
-Sound Wave: the patterns of the changes in air pressure through time that results
in the percept of a sound.
-Outer Ear: the structure of the ear at which sound waves arrive.
-Eardrum (tympanic membrane): a thin membrane, which sound waves vibrate,
that marks the beginning of the middle ear.
-Ossicles: three tiny bones, the malleus (hammer), incus (anvil), and stapes
(stirrup), in the middle ear that transfer the vibrations of the eardrum to the oval
window
-Cochlea (inner ear): a fluid-filled tube that curls into a snail like shape. The
cochlea contains the basilar membrane, which in turn contains auditory receptors
cells called hair cells. These transduce the mechanical energy of the sound wave
into neural impulses.
www.notesolution.com

Loved by over 2.2 million students

Over 90% improved by at least one letter grade.

Leah — University of Toronto

OneClass has been such a huge help in my studies at UofT especially since I am a transfer student. OneClass is the study buddy I never had before and definitely gives me the extra push to get from a B to an A!

Leah — University of Toronto
Saarim — University of Michigan

Balancing social life With academics can be difficult, that is why I'm so glad that OneClass is out there where I can find the top notes for all of my classes. Now I can be the all-star student I want to be.

Saarim — University of Michigan
Jenna — University of Wisconsin

As a college student living on a college budget, I love how easy it is to earn gift cards just by submitting my notes.

Jenna — University of Wisconsin
Anne — University of California

OneClass has allowed me to catch up with my most difficult course! #lifesaver

Anne — University of California
Description
Chapter 5 - Sensation: how sense organs respond to external stimuli and transmit the responses on the brain - Perception: the processing, organization and interpretation of sensory signals that result in an internal representation of the stimulus - Transduction: a process by which sensory receptors produce neural impulses when they receive physical or chemical stimulation - Absolute Threshold: the minimum intensity of stimulation that must occur before one can experience a sensation - Difference Threshold: the minimum amount of change required in order to detect a difference between intensities of stimuli. - Sensory Adaptation: when an observers sensitivity to stimuli decreases over time - Taste Buds: sensory receptors that transducer taste information The study of sensation focuses on how our sense organs respond to and detect external stimulus energy. Stimuli need to be transduced in order for the brain to use that information. Sensory coding for quantitative factors, such as intensity and loudness, depends on the number of neurons firing and how frequently they fire. Qualitative aspects, such as color or bitterness, are coded by the integration of activation across specific receptors. The development of psychophysical methods allowed psychological scientists to study psychological reaction to physical events. Psychophysical methods can be used to determine thresholds for detecting events and for noticing change. These thresholds can be influenced by situational factors and by biases in human judgment. - Olfactory Bulb: the brain centre for smell, located below the frontal lobes - Pheromones: chemicals released by animals and humans that trigger physiological or behavioural reactions in other members of the same species - Haptic Sense: the sense of touch - Sound Wave: the patterns of the changes in air pressure through time that results in the percept of a sound. - Outer Ear: the structure of the ear at which sound waves arrive. - Eardrum (tympanic membrane): a thin membrane, which sound waves vibrate, that marks the beginning of the middle ear. - Ossicles: three tiny bones, the malleus (hammer), incus (anvil), and stapes (stirrup), in the middle ear that transfer the vibrations of the eardrum to the oval window - Cochlea (inner ear): a fluid-filled tube that curls into a snail like shape. The cochlea contains the basilar membrane, which in turn contains auditory receptors cells called hair cells. These transduce the mechanical energy of the sound wave into neural impulses. www.notesolution.com
More Less
Unlock Document


Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit