'Retinal ganglion cells' diaporamas de présentation

Functional Neuro-anatomy of Cranial Nerves

Functional Neuro-anatomy of Cranial Nerves. Berrin Aktekin. Cranial nerves. Like spinal nerves, cranial nerves are bundles of sensory or motor fibers that innervate muscles or glands; carry impulses from sensory receptors, or show a combination of these fiber types.

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Cognition and Perception

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Chapter 15

Chapter 15. Exam Six Material. Eye and Associated Structures. 70% of all sensory receptors are in the eye Most of the eye is protected by a cushion of fat and the bony orbit Accessory structures include eyebrows, eyelids, conjunctiva, lacrimal apparatus extrinsic eye muscles.

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ICNNB2005 Plenary Speech V isual Perceptual Learning

ICNNB2005 Plenary Speech V isual Perceptual Learning. Zhongzhi Shi Qingyong Li Hong Hu Zheng Zheng shizz@ics.ict.ac.cn Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China. Outline. Introduction Classification-oriented sparse coding model

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Eye and Early Vision

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Biological Rhythms

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The Special Senses Part B

The Special Senses Part B. 15. Inner Chambers and Fluids. The lens separates the internal eye into anterior and posterior segments The posterior segment is filled with a clear gel called vitreous humor that: Transmits light Supports the posterior surface of the lens

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Retinal Organization: Overview

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Chapter 2

Chapter 2. Outline. Linear filters Visual system (retina, LGN, V1) Spatial receptive fields V1 LGN, retina Temporal receptive fields in V1 Direction selectivity. Linear filter model. White noise stimulus. Fourier transform. A: Stimulus is velocity profile;

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Forms and Functions of Beta- Amyloids

Forms and Functions of Beta- Amyloids. By: Aileen Li, Andrea Zhao, Matthew Dytoc , Rose Hrvatin. PHM142 Fall 2012 Coordinator: Dr. Jeffrey Henderson Instructor: Dr. David Hampson. What is Amyloid ?. Amyloid is a general term for protein fragments that the body produces normally

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Psychology 4051

Psychology 4051. The Retina and LGN. Retino-Geniculate-Cortical Pathway. The Retina. Located at the back of the posterior chamber, forms the inner tunic of the eye. Surface on which the visual image is focused. The Retina. A laminar tissue with multiple layers.

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Visual Transduction

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Vision

Vision. Parts of the Eye. The Sclera The Cornea Conjunctiva The Choroid Coat The Ciliary Body The Iris The Pupil The Retina The Macula lutea Fovea The Optic Nerve The Optic Disk The Vitreous Humor The Aqueous Humor. The Conjunctiva.

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Paras Guide to Glaucoma

Paras Guide to Glaucoma. Diagnosis, Treatment and Management of Glaucoma Desinee Drakulich O.D. Review. What is Glaucoma? A progressive optic neuropathy that damages retinal ganglion cells and other mechanisms in the visual pathway.

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Ch 6: The Visual System pt 2

Ch 6: The Visual System pt 2. The Retina. After light passes through the pupil & lens, it hits the retina & is converted to a neural signal Has 5 layers of different types of neurons Receptors Horizontal cells Bipolar cells Amacrine cells Retinal ganglion cells. The Retina.

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What is Stereopsis ?

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Foveal Acuity

Foveal Acuity. Ellen Thomson Casey Laudenbach Megan Gebhardt Hanna Honn Dinglan Tang Maria Stevens. What is Foveal acuity?. A measure of the finest detail that can be resolved by the eyes

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Why Implants?

Why Implants?. Above: Insertion of R etisert. What are they?. Sustained delivery to the posterior segment of the eye Can be applied to various ocular layers depending on disease: subconjuctival / intravitreal / intrasceral Implants reduce frequency of administration

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The Advances and Challenges in Ocular Drug Delivery via Implantation Techniques

The Advances and Challenges in Ocular Drug Delivery via Implantation Techniques. Silicone cup containing drug. EFFECT OF ENVIRONMENT AND CLOZAPINE ON BASAL AND STIMULATED MEDIAL PREFRONTAL GABA RELEASE IN TWO RAT MODELS OF SCHIZOPHRENIA. Top View. Release orifice. 3mm.

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