PPT-Attention Orienting System and Associated Disorders

Neglect Extinction and Balints Syndrome Orienting Spatial Attention Corbetta et al 1993 Subjects oriented attention according to a light moving in the visual field Orienting Spatial Attention. Also its possible for otherwise healthy people to develop severe illness so any one concerned about their illness should consult their doctor There are emergency warning signs that should signal anyone to seek medical care urgently Emergency Warning Broadbent: . Early Selection. - a bottleneck exists early in the course of sensory processing that filters out all but the attended . channel. Alternative theory: . Late Selection. - the bottleneck exists not at the lowest stages, but at the highest - such as response planning, memory and consciousness. . A Neural Basis for Visual Search in Inferior Temporal Cortex. Leonardo . Chelazzi. et al. (1993) Nature. How are you doing on your projects?. By now you should have sorted out:. The theory is that:. Chellazi et al. (1993) Nature 363 Pg 345 - 347 . Different Pathways , Different Processes. Retinocollicular vs. Retinostriate. Recall that 10% of optic nerve gets routed through the Superior Colliculus (SC). Posner et al. (late 1970s) used a cue-target paradigm. Parietal Lobe patients are profoundly impaired only when invalidly cued to attended to the . ipsilesional. (good) side . Investigation of Neglect with Cue-Target Paradigm. Read article by Anne . Treisman. . Orienting Attention. Control of Attention. Major Distinctions:. Voluntary. Reflexive. Control of Attention. Major Distinctions:. Voluntary. Reflexive. Overt. Covert. Hillyard. et al. (1960s) showed attention effects in human auditory pathway using ERP. Selective listening task using headphones. Every few minutes the attended side was reversed. Thus they could measure the brain response to identical stimuli when attended or unattended. (Somatoform disorders). Utilize Barron’s Book this information is not in your text. . Somatoform Disorders. Occur when a person manifests a psychological problem through a physiological symptom.. Conversion Disorder. ATTENTION NETWORK TEST. Three networks. Alerting . Orientation. Executive Control. The Attention Network Test. Executive Control Network. The Attention Network Test. The Attention Network Test. 4.02 Understand the functions and disorders of the urinary system. Essential Questions. What are the functions of the urinary system?. What are some disorders of the urinary system?. How are disorders of the urinary system treated?. Katelynn. Rickard. Karen Noll, CCC-SLP. Valdosta State University. Disclosure Statement. No authors had any financial or non-financial conflicts of interest associated with the content of this presentation. 3.04 Understand the functions and disorders of the sensory system. 1. 3.04 Disorders of the sensory system. 3.04 Understand the functions and disorders of the sensory system. 2. Essential Questions. What are some disorders of the sensory system?. 2.04 Understand the . functions and disorders . of the lymphatic system. What are the functions of the lymphatic system?. What is the importance of the lymphatic system as it relates to immunity?. How do you relate the body’s use of nutrients to the lymphatic system?. 3.02 Understand the functions and disorders of the nervous system. 3.02 Understand the functions and disorders of the nervous system. 2. 3.02 Essential Questions. What . are . the . functions . of the nervous system?.