Class Notes (839,112)
Canada (511,191)
Psychology (81)
PSYCH 1100 (65)
Lecture

oct.24.docx

5 Pages
97 Views

Department
Psychology
Course Code
PSYCH 1100
Professor
Thomas Kondzielewski

This preview shows pages 1 and half of page 2. Sign up to view the full 5 pages of the document.
Description
Chapter 4 Psych Logarithmic scale: page 135 Evelyn Glennie  video on her C HEMICAL SENSES • olfaction and taste SMELL • Olfaction: sense of smell • Dysosmia: loss or impairment of sense of smell (usually for single odors) o floral o camhoirc o musky o minty o etherish • lock & key theory: odors are related to shapes of chemicals and molecules • 1000 types; in combinations > 10000 types • Pheromones: airborne chemical signal o Vomeronasal organ: sense organ for pheromones • olfactory bulb sends neuronal signals to the olfactory cortex • VNO accessory olfactory bulb and the amygdale, and hypothalamus which may explain how scents influence aggressive and mating behavior • Pheromones: • the smell of fear: collected sweat, right before a university exam, anxious sweat activities, involved in empathy. suggests that anxiety can be chemically transferred between people • figure 4.26 page 136 *Olfactory Nerve fibers Chapter 4 G USTATION • sense of taste o four taste sensations: Sweet, salt, sour, bitter o most sensitive to bitter, less to sour, salt, and least sensitive to sweet o Umami: possible fifth taste sensation; brothy taste (MSG)  tuna, cheese, soybeans • Genetic effect o PTC: phenylthiocarbamide o 70% of people = bitter o 30% of people = no taste TASTE BUDS • taste-receptor cells 500-10000 Skin senses ** SOMESTHEIC SENSE • sensations produced by skin, muscles, joints, viscera, and organs of balance • skin senses (touch): light touch, pressure, pain, cold, warmth • kinesthetic: detect body position and movement • vestibular: balance, acceleration, and position in space • Insular cortex: unites eye position information with vestibular information D YNAMIC TOUCH • touch experienced when the body is in motion; a combination of sensations from skin receptors, muscles and joints • kinesthesia: a key component in muscle PROPRIOCEPTION Chapter 4 • Charles Sherrington introduced the terms 'proruiceotion' 'interception' and 'exteroception'. • The 'exteroceptors' are the organs responsible for information from [outside] the body such as the eyes, ears, mouth, and skin. • The interoceptors then give information about the internal organs, while 'proprioception' is awareness of movement derived from muscular, tendon, and articular sources. • Such a system of classification has kept physiologists and anatomists searching for specialised nerve endings that transmit data on joint capsule and muscle tension (such as muscle spindles and Pacini corpuscles) P AIN • Visceral pain: Pain originating in internal organs • Referred pa
More Less
Unlock Document

Only pages 1 and half of page 2 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

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