Scotoma

Dennett argued that the consciousness of events can be restored in scotoma* with self-cues or prompts (Denett, 1991). Inability to visually experience does not indicate the absence of perceptual experience of the stimuli and it could be compensated with the phenomenal states of visual experience and other form of perception

Source BRAINMADESIMPLE.com The occipital lobe is very much important to able to correctly understand what your eyes are seeing. These lobes have to be fast to process the information that our eyes are sending. Similar to how the temporal lobe makes sense of auditory info, the occipital lobe makes sense of visual information so that we are able to understand the meaning. If our occipital lobe was impaired, or injured we would not be able to correctly process visual signals, thus visual confusion

explaining of tests and scientific studies conducted to further our knowledge on blind spots. At the end of the chapter the blind spots investigations are tied to James Thurber by questioning if the brain’s capacity for “filling in” blind spots and scotomas can also help us understand the extraordinary visual hallucinations people with Charles Bonnet syndrome experience. Patients like Larry and Nancy with the syndrome helped Ramachandran explains how in Bonnet syndrome the images are based on a sort

Traumatic Optic Neuropathy, T.O.N, is the direct or indirect injury to the optic nerve or optic canal secondary to trauma. Patients who present with T.O.N may have partial or complete vision loss. Due to little understanding, there is no prevention and no cure for T.O.N; or laboratory models to study this condition. Most common causes are motor vehicle accidents, falls, bike accidents, and assault. Though observation is the main treatment option, systemic corticosteroids and surgical optic nerve

It is now widely recognised that the adult human brain retains a larger degree of plasticity than was previously thought. This is perhaps particularly true of the neural mechanisms underlying sensory perception, where substantial behavioural and neural changes have been demonstrated in a wide variety of sensory functions following experience. Sensory plasticity has been recognised for its rehabilitative potential, for instance through perceptual training regimes, which have been used to improve visual

Eye sensitivity and hand dominance Have you ever wondered how handedness and eye dominance are associated? Do these things have anything to do with your eyes sensitivity levels? This experiment will explore these questions and more by comparing how sensitive your eye is and how far your peripheral vision can span with left and right eyes. I will also find if ocular dominance has any play into peoples peripheral vision and how far they can see left or right. In this case, eye dominance is the variable

Chief Complaint Post concussive syndrome. History Patient is a 23-year-old right-hand white female who presents with her mother for evaluation of post concussive syndrome. She had two significant closed head injuries this winter in February. They both occurred while snowboarding. On the first one, she slipped on some ice fell back and hit her occiput. She was wearing a helmet. When she got down to the bottom of the hill, she noted she had some mild confusion. Her friend asked her where she

Apeksha Nagar Module 1-Section 1 Genetics Assignment Dr. Wormington Leber’s Hereditary Optic Neuropathy Gene OMIM #535000 9/16/2016 Clinical Features Leber’s Hereditary Optic Neuropathy (LHON) is a disease caused by a point mutation in the mitochondrial genome, it is maternally inherited and largely affects males of young ages.1 LHON presents acutely or subacutely in affected individuals, the age of disease onset or vision

In the following essay an attempt will be made to look at the different perceptual disorders that can disrupt visual perception. Efforts will be made to compare (which by definition is the pointing out of differences and similarities) and it will also attempt to contrast (by pointing out the differences) in a logical and factual way. To do this, it is important to first define what is (a) meant by ‘Visual perception’ and what it is thought to (B)encompass, and the (c) different perceptual disorders

The Visual Pathway 1. Light must pass through the cornea, aqueous humor, lens and vitreous humor before reaching the retina. It must then pass through the inner layers of the retina to reach the photoreceptive layer of rods and cones. 2. When the photoreceptors are stimulated they transmit impulses to the bipolar cells that project to the ganglion cells of retina. 3. The axons from the ganglion cells converge at the optic disc to form optic nerve which enters the cranial cavity through the optic