'Photoreceptors' diaporamas de présentation

Crash Course Review

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C H A P T E R 2

C H A P T E R 2. NEUROLOGICAL CONTROL OF MOVEMENT. w Discover how neurons communicate with one another and learn the role of neurotransmitters in this communication. (continued). Learning Objectives. w Learn the basic structures of the nervous system.

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The vestibular labyrinth

The vestibular labyrinth. Hair cell responses . Neural pathways for the angular-VOR three-neuron arc. Vestibular latency i s about 15 msec. Eye movements: Lab # 1 - Catching a ball. How do we use our eyes to catch balls? What information does the brain need?

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How Nerve Signals Maintain Homeostasis

How Nerve Signals Maintain Homeostasis. Chapter 9. The Nervous System Intro. Every single stimulus (light, touch, feeling of muscles moving, pressure, blinking, etc.) involves your nervous system.

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The Human Eye

The Human Eye. Optics. VISION. Sclera The sclera is the white of the eye. "Don't shoot until you see their scleras." Exterior is smooth and white Interior is brown and grooved Extremely durable Flexibility adds strength Continuous with sheath of optic nerve Tendons attached to it.

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Sensory Mechanisms

Sensory Mechanisms. Introduction. Sensations are action potentials that reach the brain through neurons. The sensations mean nothing to us without the perception of the brain. Perceptions include smells tastes sounds and colors. These perceptions are vital to our existence, even pain.

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Photoreceptors

Photoreceptors. Cones Rods. Photoreceptors. Cones Rods. Color Blindness. Red-green color blindness X linked Deuteranope >>> green Protanope >>> red Tritanopia >>> Blue Chromosome 7

133 views • 11 slides