Course book. Goldstein. Sensation and Perception exams two mid-terms 1½ hours each multiple choice + short notes end-of-term 2-3 hours 30%; 30% and 40%

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Course book Goldstein, Sensation and Perception

Course book. Goldstein. Sensation and Perception

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Course book. Goldstein. Sensation and Perception exams two mid-terms 1½ hours each multiple choice + short notes end-of-term 2-3 hours 30%; 30% and 40% (best counted as 40%) if not registered, go to office TA = Adria Hoover Room: 1022 Sherman Health Research Centre Office Hrs:by appointment Phone: ext Instructor = Prof Laurence Harris Room: 1018 Sherman Health Research Centre phone: ext feel free to interrupt with questions use of web page and

Timetable for 2220 (2011) 1Jan 4<-- intro 2Jan 11 3Jan 18 4Jan 25 5Feb 1<-- midterm 1 6Feb 8 7Feb 15 Feb 22reading week 8March 1 9March 8<-- midterm 2 10March 15 11March 22 12March 29 TBA<-- Final exam

PSYCH 2220 Perception Introduction

WHAT IS PERCEPTION? Awareness of world objects people self Depends on sensory IN but also memory

FIELDS CALLED UPON IN THIS COURSE Natural History Art Biology Medicine Philosophy Physics Neuroscience Anatomy Biochemistry

Painting by Modigliani

Penguin

MODULAR ORGANIZATION pattern place depth colour movement

Photos by Edward Muybridge

Theories about how these are put together

DEVELOPMENT

PSYCH 2220 Perception Lecture 1

ELECTRO- MAGNETIC RADIATION MECHANICAL CHEMICAL (X-rays…) Ultra-violet visible light infra-red (radio waves..) airwaves Ultra-sound hearing range very-low freqs From outside From inside In mouth From same species From outside From inside some insects human vision pit viper bats, dophins, rats human hearing whales, frogs touch, pain Lateral line of fishes vestibular organ proprioception pheromones, smell smell taste pressure In air

Bee’s view of a flower – markings visible only because different parts of the petal reflect ultra-violet rays differently.

THE PIT Pit Viper

Moth

Physical World Sense Organs BrainPerception

Eye movements Point eyes to right place Accommodation focus Pupils Light Adaptation Adjust for the light level Transduction Convert light energy to activity in cells

Focusing and accommodation

AIR LIVING WATER LIVING

1 put on a mask that keeps air in front of cornea 2 rely on a STRONG lens that can change from air-living to water living eg: otter 3 Have a FLAT cornea (to remove its influence) and then use a WATER-LIVING style lens eg. Penguin, flying fish 4 Have two pairs of eyes - one for each environment eg. Four-eyed fish 5 Use a WATER-LIVING style lens in the water and bi-pass the cornea by using a PIN HOLE pupil on land eg. seal DIVING ANIMALS Air Type Water Type

Penguin

Flying fish

Four-eyed fish

Pupils and light adaptation

Photo taken through a LARGE aperture shallow depth of field (only one distance is in focus)

Photo taken through a SMALL aperture long depth of field (lots of distances are in focus)

Structure of eye and retina