Physiology Professor Damian Czepita Department of Ophthalmology Pomeranian Medical Academy Szczecin, Poland http://sci.pam.szczecin.pl/~czepita.

Slides:



Advertisements
Similar presentations
Neurotransmitters.
Advertisements

Hypothalamus. Older part of the brain (Primitive) –Maintenance of homeostasis Reception of external and internal signals Incorporation of signals to generate.
Biological Rhythms & Sleep
Vision in 1 Lecture Prof. Jack Pettigrew Vision Touch and Hearing Research Centre, University of Queensland 4072 Australia.
Central retinal artery and vein Optic nerve Vitreous body Conjunctiva
Light Cornea Sclera Optic nerve Lens Vitreus humor Pigment epithelium Fovea Retina Light entering the eye is focused by the cornea and the lens. Then it.
TRANSMITTERS a. Ionotropic (channel-linked) receptors: transmitter binds to binding site at ion channel (receptor coupled to channel) b. Metabotropic (G-protein.
Part Fundamentals of Physiology Part II Food, Energy, and Temperature Part III Integrating systems Part IV Movement and Muscle Part V Oxygen, Carbon dioxide,
Blue= rods Green = Cones Pathways from the Retina In the brain, retinal ganglion axons travel to… –the hypothalamus: control bodily rhythms.
Visual Processing Structure of the Retina Lateral Inhibition Receptive Fields.
Higher Processing of Visual Information: Lecture I --- April 2, 2007 by Mu-ming Poo 1.Overview of the Mammalian Visual System 2.Structure of Lateral Geniculate.
עבוד אותות במערכת החושים סמסטר א' תשס"ח Lecture 9
Chapter 10 The Central Visual System. Introduction Neurons in the visual system –Neural processing results in perception Parallel pathway serving conscious.
Bruce Draper Department of Computer Science Colorado State University
עבוד אותות במערכת החושים סמסטר א' תשס"ז Lecture II
1 Chapter 6 Diencephalon Chris Rorden University of South Carolina Arnold School of Public Health Department of Communication Sciences and Disorders University.
Vision is more than what we see.. Karl Lashley American Psychologist Memory storage Migraine Headaches.
Visual Learning Instructor: Arnold Glass. Visual Processing Millions of computations are performed on the light patterns that fall on the retina before.
Retina  takes the information from its 100 million photoreceptors about 1 million optic nerve axons.  Interposed between the photoreceptor.
OCEAN MEDICAL CENTER STROKE SERIES. AWARENESS OF VISUAL SEQUELLA OF STROKES.
Lateral Geniculate Nucleus (LGN) 1.Overview of central visual pathway 2.Projection from retina to LGN 3.LGN layers: P and M pathways 4.LGN receptive fields.
1 Computational Vision CSCI 363, Fall 2012 Lecture 3 Neurons Central Visual Pathways See Reading Assignment on "Assignments page"
 Mostly hidden from view  Between cerebral hemispheres  2% of CNS by weight  Widespread and important sensory connections.
Disrupting circadian rhythms can have consequences When external cues change, we have to re- adjust our internal clock (and cycles) Jet lag…adaptation:
VISUAL SYSTEM Key points
The Hypothalamus Medical Neuroscience Dr. Wiegand.
Introduction to CNS pharmacology By S.Bohlooli, PhD School of medicine, Ardabil University of Medical Sciences.
No. 27 Sensory nervous pathways (2) Sensory nervous pathways (2)
The Cranial Nerves 2,3,4,6 By Prof. Saeed Abuel Makarem.
The Diencephalon SHANDONG UNIVERSITY Liu Zhiyu. Position of Diencephalon Position: Lies between midbrain and cerebrum, almost entirely surrounded by cerebral.
VS131 Visual Neuroscience
Neurotransmitters & Receptors. Sensory neuron Motor neuron Receptor potentialAction potential Synaptic potential Action potential.
THALAMUS.
1 Synaptic Transmission. 2 Synaptic contacts Axodendritic – axon to dendrite Axodendritic – axon to dendrite Axosomatic – axon to soma Axosomatic – axon.
Neurotransmitters Lesson 13. Neurotransmitters n Chemical messengers l Signal between cells n Released at axon terminal l By action potentials n Metabolism.
VS131 Visual Neuroscience Lateral Geniculate Nucleus (LGN)
The LGN.
Neurotransmitters A. Criteria 1. must mimic presynaptic effects if administered exogenously 2. must be released during activity of presynaptic neuron 3.
The Eye: III. Central Neurophysiology of Vision L12
NEUROTRANSMITTERS Dr Fawzia ALRoug, MBBS, Master, Ph.D Assistant Professor, Department of Physiology, College of Medicine, King Khalid University Hospital,
Ascending Visual Pathways
Innervation of the Eye and Orbit Part 1: The Optic Nerve and
The Diencephalon. The Diencephalon Position of Diencephalon Position: Lies between midbrain and cerebrum, almost entirely surrounded by cerebral.
The Cranial Nerves 2,3,4,6 By Prof. Saeed Abuel Makarem & Dr.Sanaa Alshaarawi.
Vision, Eyeball Movement & Balance System II
Sensory Neural Systems 5 February 2008 Rachel L. León
The nervous pathway SHANDONG UNIVERSITY Liu Zhiyu
LAB #7 VISION, EYEBALL MOVEMENT AND BALANCE SYSTEMS II.
1 Perception and VR MONT 104S, Spring 2008 Lecture 3 Central Visual Pathways.
Central visual pathways
Ocular Motor Nerves Visual Pathways – Neuroanatomy – for grade III medical students 蔡子同 成大醫院神經科 2012/05/09.
What is a neurotransmitter?
M1 Spring April 8 00 AM Neurotransmitter Transporters
VS142 Visual Neuroscience
Neurotransmitter Receptors
VS142 Visual Neuroscience
Innervation of the Eye and Orbit Part 1: The Optic Nerve and
Visual System (CN II) Made by : DANI MAMO.
Hypothalamus Domina Petric, MD.
Acetylcholine synthesis
Synapse.
Central Visual Pathways
Thalamus Prof. K. Sivapalan.
Photochemistry of Vision
Physiology of Vision Optic Pathways Dr. Sumera Gul.
Organic Causes of Mania
THALAMUS Lecture 4.
Week 14: Neurobiology of Vision Part 2
Presentation transcript:

Physiology Professor Damian Czepita Department of Ophthalmology Pomeranian Medical Academy Szczecin, Poland http://sci.pam.szczecin.pl/~czepita

NEUROTRANSMITERS PRESENT IN THE RETINA OF VERTEBRATES ACETYLOCHOLINE (Ach) - product of choline acetylation - M DOPAMINE (DA) - catecholamine - D -AMINOBUTYRIC ACID (GABA) - product of glutamate decarboxylation - GABAergic

NEUROTRANSMITERS PRESENT IN THE RETINA OF VERTEBRATES GLUTAMATE - aminoacid - NMDA, AMPA/KAINIC, METABOTROPIC SEROTONINE (5-HT) - monoamine - S

RETINAL GANGLION CELL PROJECTIONS lateral geniculate body - diencephalon - visual perception pregeniculate nucleus - diencephalon - visual perception suprachiasmatic nucleus - diencephalon - circadian rhythms

RETINAL GANGLION CELL PROJECTIONS supraoptic nucleus - diencephalon - neuroendocrine regulation paraventricular nucleus - diencephalon - neuroendocrine regulation pulvinar - diencephalon - unknown superior colliculus - mesencephalon - visuomotor behavior, foveation

RETINAL GANGLION CELL PROJECTIONS accessory optic system - mesencephalon - optokinetic reflexes nucleus of the optic tract - mesencephalon - optokinetic reflexes pretectal nuclear complex - mesencephalon - pupillary responses

NEUROTRANSMITERS PRESENT IN THE VISUAL CORTEX OF VERTEBRATES ACETYLOCHOLINE (Ach) - product of choline acetylation - M DOPAMINE (DA) - catecholamine - D -AMINOBUTYRIC ACID (GABA) - product of glutamate decarboxylation - GABAergic

NEUROTRANSMITERS PRESENT IN THE VISUAL CORTEX OF VERTEBRATES GLUTAMATE - aminoacid - NMDA, AMPA/KAINIC, METABOTROPIC SEROTONINE (5-HT) - monoamine - S NORADRENALINE (NA) - catecholamine - 