'Visual pathway' diaporamas de présentation

Anatomical connections and receptive fields

Anatomical connections and receptive fields. Image Analysis in the Visual System. Schematic representation of the ventral visual pathway. Conjunction search and the binding problem. Visual tasks with differing demands on visual processing. Pre- attentive. Attentive.

713 views • 49 slides

Neuro-ophthalmology review

Neuro-ophthalmology review. Daniah Alshowaeir , MPH,MD, PhD Assistant professor of ophthalmology KSU , Consultant Neuro-ophthalmology-KAUH,KKUH. Neuro -ophthalmology deals with visual problems caused by disorders of the brain or the optic nerve connection.

1.39k views • 47 slides

Physiology of Vision Lecture-2- Accommodation & Pupillary Light Reflex

Physiology of Vision Lecture-2- Accommodation & Pupillary Light Reflex. Dr.Salah Elmalik. Objectives. At the end of this lecture the student should be able to: Describe visual acuity & depth perception To know visual pathway and field of vision

1.67k views • 45 slides

Plasticity of the Immature Brain: Sensory Deprivation, Focal Lesions

Plasticity of the Immature Brain: Sensory Deprivation, Focal Lesions. Shani Hagler Isabelle Rapin Child Neurology: September 25, 2013 No conflict of interest. Brain Plasticity. The structure of the brain is a function of the genetic programs that orchestrate its development and

423 views • 41 slides

Ocular anatomy

Ocular anatomy. Section?. Eyeball. Orbit. Lacrimal apparatus. Extraocular muscles. visual organ & visual pathway. Vascular supply to the eyeball. Eyeball. Orbit. Frontal Zygomayic Maxillary Ethmoidal Sphenoid Lacrimal Palatine. Lacrimal apparatus. Lacrimal gland

1.21k views • 40 slides

Barry S. Kran, OD, FAAO Darick W. Wright, MA, COMS, CLVT D. Luisa Mayer, PhD. MEd

Cortical/Cerebral Visual Impairment Is it one or several or entities? Can it co-exist with ocular impairments? SESSION ONE. Barry S. Kran, OD, FAAO Darick W. Wright, MA, COMS, CLVT D. Luisa Mayer, PhD. MEd. Webinar Objectives.

628 views • 38 slides

Cortical Receptive Fields Using Deep Autoencoders

Cortical Receptive Fields Using Deep Autoencoders. Work done as a part of CS397 Ankit Awasthi (Y8084) Supervisor: Prof. H. Karnick. The visual pathway. Some Terms.

530 views • 36 slides

The Special Senses

The Special Senses. External Anatomy of the Eye. Lacrimal Apparatus of the Eye. Anatomy of the Eyeball. Accessory structures of the Eye from a sagittal view. Detail view of the anterior anatomy of the eye. Photomicroscopic view of the Histology of the Eye

424 views • 28 slides

Visual Field Review

Visual Field Review. Kelli Shaon, O.D. Interpretation of the Visual Field. What type of VF was performed? What are patient demographics & clinical characteristics ? Name, DOB, Date of VF, Patient ID, Pupil diameter, Corrective lenses used Time it tool to complete the test

1.02k views • 28 slides

383 views • 27 slides

Visual Health in Learning Disability NHFN Birmingham

Visual Health in Learning Disability NHFN Birmingham. Gordon Ilett Optometrist gordonilett@gmail.com. Disclosure. Partner Linklater Warren Optometrists Trustee SeeAbility Co-Director Special Olympics Opening Eyes GB Councillor Association of Optometrists. Sight.

272 views • 27 slides

Hsin-I Liao 2005/11/17

Neville, H. J., & Bavelier, D. (2002). Specificity and plasticity in neurocognitive development in humans. In M. H. Johnson, Y. Munakata, & R. O. Gilmore (Eds.), Brain development and cognition: A reader (pp. 251-271). Blackwell Publishers. Hsin-I Liao 2005/11/17. Overview.

360 views • 26 slides

Lateral Geniculate Nucleus (LGN)

Lateral Geniculate Nucleus (LGN). Overview of central visual pathway Projection from retina to LGN LGN layers: P and M pathways LGN receptive fields Retinotopic Maps. Thalamus -- A large mass of gray matter deeply situated in the forebrain. There is one on either side of the midline.

688 views • 20 slides

Cranial nuclei and nerves, e.g. VII

Cranial nuclei and nerves, e.g. VII. Cranial nerve exit points. Optic pathway: retina to thalamus. Visual field: fixation straight ahead. Visual field: fixation to the side. Binocular and monocular fields. The visual pathway. Diplopia. Neutral eye position.

498 views • 18 slides

Visual Field Examinations

Visual Field Examinations. Week 1. Perimetry. The science of measuring the peripheral vision in order to determine the visual field of the patient. Visual Field. The portion of visual space which is visible to an individual at any given moment.

1.14k views • 18 slides

How is color constancy achieved?

Besides human's not being able to detect UV wavelengths, I understand they also can damage our eyes upon excessive exposure (like during arc welding). How are these wavelengths interacting with the eye to cause it potentially permanent harm?

191 views • 11 slides

Visual pathway

Visual pathway. Dr.Nupur Chakarborty Dr.Swapnesh Sawant. Long questions (any 1). Draw diagram showing the visual pathway and explain Course Lesions along the pathway Associated visual field defects. Short answer questions (any 3). Light reflex pathway Pupillary reflex pathway

1.21k views • 8 slides

Visual Pathway

Visual Pathway. Lesion 1. Lesion 2. Visual Fields and Deficits. Calcarine fissure. R. L. R. L. L. Bitemporal (heteronomous) hemianopsia. U. C. Bitemporal (heteronomous) hemianopsia. Meyers Loop (INFERIOR optic radiations, through temporal lobe ? ends @ inferior calcarine fissue.

354 views • 3 slides