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NROC64H3- Final Exam Guide - Comprehensive Notes for the exam ( 100 pages long!)


Department
Neuroscience
Course Code
NROC64H3
Professor
Matthias Niemeier
Study Guide
Final

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UTSC
NROC64H3
Final EXAM
STUDY GUIDE

Only pages 1-3 are available for preview. Some parts have been intentionally blurred.

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Sensory and Motor Systems
- Sensory transduction and physiology for each of the sensory systems
- Models of sensory processing; spinal and central mechanisms of motor control
- Sensory & motor systems sensorimotor systems
Sensorimotor integration: the capability of the central nervous system to integrate different
sources of stimuli, and parallelly, to transform such inputs in motor actions
- Complex
- e.g., 60,000 oculomotor neurons
Everything serves sensorimotor transformations
o Autonomic circuits
o Memory
o Cognitions
o Consciousness
Properties of Light
- Significance of vision
o Relationship between human eye & camera - focus info through lens and brain
interprets
o Retina
Photoreceptors perform sensory transduction: electromagnetic radiation
neural signals
The neural activity from the retina is more than a simple map of
illumination
- Light
o Electromagnetic radiation
Wavelength distance of one full cycle visable light
spectrum is the part of the wavelength spectrum we
can see
Frequency how often those cycles occur
Amplitude the height of the wave
- Optics: Study of light rays and their interactions
o Reflection: bouncing of light rays off a surface
o Absorption: transfer of light energy to a particle or surface
o Refraction: bending of light rays from one medium to another
- Emission: how much light is emitted
- Illuminance: how much light is received
- Luminance: how much light is reflected
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- Albedo: ratio between illuminance and luminance
- Perception: small differences of luminance depending on background
- Contrast: difference in luminance or colour that makes an object distinguishable
The Eye
Sclera the tough white tissue
that covers the eye and protect it
to help maintain the shape of the
eyeball
Zonule fibers series of fibers
that connect the ciliary body and
lens to hold the lens in place
Cornea focusing element in the
visual path most of focusing
element in combination with lens
Pupil black part of eye
controls how much light goes in and out of the eye
Lens transparent part of eye to help refract light onto the retina what can change shape
based on zonule fibers to accommodate acuity and if looking at far or close things
AH fluid that sits behind cornea to protect it constantly secreted and drained
Iris colour part of the eye thin circular structure that surrounds the pupil does’t hage
shape
CB and Muscles control shape of the lens and produces AH
VH a gelatinous substance to maintain shape and provide nourishments for eye (e.g. Oxygen)
Choroid vascular part of eye- provides blood and nourishes the eye
Retina back of eye containing PRs that takes light info and converts it to neural signals
Fovea most concentrated with PRs greatest visual acuity and takes most amount of info
Optic Nerve takes the info from the retina and carries it on to the brain
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