Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 5 of 5 for “"sustained visual attention"”.
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Neural and neurochemical mechanisms of sustained visual attention
This thesis investigates the neural basis of attentional control, in the rat, especially in terms of the role of the midbrain dopaminergic systems using behavioural, pharmacological, neuroimaging and neurochemical methods. A visual discrimination task was developed for measuring sustained …
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Cognitive Correlates Of Fatigue In Pediatric-Onset Multiple Sclerosis
… to associate with performance on measures of sustained visual attention and task switching. In Chapter 3, we investigated associations between cognitive and clinical features of POMS, namely objective fatigability, and subjective fatigue. Fatigability was operationalized as response time …
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Brain Dynamics When Alertness Fluctuates but Attentional Demands Persist
… the day. Some tasks demand our unwavering attention, and when alertness dips, we still need to stay focused and engaged. This thesis examines how the human brain functionally reorganises when alertness levels decline but attentional demands persist. We focused on sustained auditory and …
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The Use of Viewing Time of Non-erotic Visual Stimuli to Differentiate Between Frequent Pornography Users and Infrequent Users
… a measure of viewing time that uses non-erotic visual stimuli can differentiate between frequent users and infrequent users of pornography. Thirty-six male participants were classified as infrequent pornography users and 37 as frequent users. Participants completed a questionnaire and were asked …
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Neural and psychological mediators of trait impulsivity: cortico-striatal circuitry and catecholaminergic neuromodulation
… underlies many psychiatric disorders, including attention-deficit/hyperactivity disorder (ADHD), mood disorders such as depression and mania, and substance use disorder (SUD). Research has shown that impulsivity is a non-unitary construct, characterised by distinct behavioural manifestations and, …