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DTSTART;TZID=Australia/Sydney:20231006T150000
DTEND;TZID=Australia/Sydney:20231006T160000
DTSTAMP:20260426T224144
CREATED:20250507T045209Z
LAST-MODIFIED:20250507T045209Z
UID:113-1696604400-1696608000@psychology-events.sydney.edu.au
SUMMARY:Psychology Colloquium: A/Prof Marta Garrido: The Insight of Blindsight
DESCRIPTION:A/Prof Marta Garrido (University of Melbourne)\nAbstract\nMuch of what we know about brain circuitry for human vision comes from neuroimaging studies and investigations on people with brain damage. A remarkable example are the studies in blindsight patients\, who despite being blind after injury to their primary visual cortex (V1)\, display remarkable visual abilities. Indeed\, blindsight patients can navigate through obstacles\, detect motion\, and correctly identify emotion in unseen faces. A possible explanation for this apparent paradox is that visual information is conveyed from subcortical structures to other cortical regions\, bypassing V1. In this talk\, I will present converging evidence from a diverse range of neuroimaging techniques and large data sets\, which show this is the case for behavioural salient stimuli charged with motion and emotion information (McFadyen et al.\, 2019 and Rowe et al.\, 2023). I propose that the brain circuitry underpinning such residual vision\, albeit without awareness\, relies on brain shortcuts. These shortcuts may be a means for expediency of information processing and a useful alternative for the preservation and rehabilitation of critical visual functions after brain insult (McFadyen et al.\, 2021).
URL:https://psychology-events.sydney.edu.au/event/psychology-colloquium-a-prof-marta-garrido-the-insight-of-blindsight/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20231013T150000
DTEND;TZID=Australia/Sydney:20231013T160000
DTSTAMP:20260426T224144
CREATED:20250507T045209Z
LAST-MODIFIED:20250507T045209Z
UID:114-1697209200-1697212800@psychology-events.sydney.edu.au
SUMMARY:Psychology Colloquium: Dr Betty Luu: Confronting Whiteness in Developmental Psychology: Impacts on Ethnic Minority Families in the Australian Child Welfare System
DESCRIPTION:Dr Betty Luu (USYD)\nAbstract\nThis talk considers the pervasiveness of Western models of thinking in relation to child development and parenting practices\, and its impact on child welfare practices for ethnic minority families in Australia. It highlights key projects I have been involved in at the Research Centre for Children and Families that spurred my thinking about how culture and cultural diversity are conceptualised in the child protection and out of home care context. I first summarise the findings from a casefile review of adoptions from out-of-home care finalised by the Supreme Court in 2017 to show the critical role practitioners and adoptive parents play in shaping the attitudes of children and young people have toward ‘contact’ with their families of origin and their cultural identities. Alongside reflections of my experience as a second-generation Chinese-Australian working within academic research settings\, these culminated in a co-written chapter in the Handbook of Critical Whiteness to critique the discipline of psychology with calls for further considerations about the influence of White dominant frameworks of development on approaches to supporting vulnerable families\, focusing on ethnic minority families in the Australian child welfare system. Cultural competence is critical to improving research and practice: to know what aspects of a child and family’s culture are relevant for consideration to ensure safety and wellbeing.
URL:https://psychology-events.sydney.edu.au/event/psychology-colloquium-dr-betty-luu-confronting-whiteness-in-developmental-psychology-impacts-on-ethnic-minority-families-in-the-australian-child-welfare-system/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20231020T150000
DTEND;TZID=Australia/Sydney:20231020T160000
DTSTAMP:20260426T224144
CREATED:20250507T045224Z
LAST-MODIFIED:20250507T045224Z
UID:115-1697814000-1697817600@psychology-events.sydney.edu.au
SUMMARY:Psychology Colloquium: Dr Kate Storrs: Learning about the world by learning about images
DESCRIPTION:Dr Kate Storrs (University of Auckland)\nAbstract\nComputational visual neuroscience has come a long way in the past 10 years. Deep neural networks can recognise objects with near-human accuracy\, and predict brain activity in the ventral visual cortex better than any previous models. However\, vision is far from explained. Our most successful models have been supervised to recognise objects in images using ground-truth labels for millions of examples. Brains have no such access to the ground truth\, and must instead learn directly from sensory data. Unsupervised deep learning\, in which networks learn statistical regularities in their data by compressing\, extrapolating or predicting images and videos\, presents a more ecologically feasible alternative. We have been using unsupervised deep learning\, combined with computer-rendered artificial environments and psychophysics experiments\, as a framework to understand how brains learn rich scene representations without ground-truth information about the world. I will explore how unsupervised networks trained on environments of 3D rendered objects with varying shape\, material and illumination\, spontaneously come to encode these properties of the environment in their internal representations. More strikingly\, they can predict\, on an image-by-image basis\, patterns of errors made by human observers. Unsupervised deep learning may provide a powerful framework for exploring how perceptual dimensions and categories arise.
URL:https://psychology-events.sydney.edu.au/event/psychology-colloquium-dr-kate-storrs-learning-about-the-world-by-learning-about-images/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Australia/Sydney:20231027T150000
DTEND;TZID=Australia/Sydney:20231027T160000
DTSTAMP:20260426T224144
CREATED:20250507T045224Z
LAST-MODIFIED:20250507T045224Z
UID:116-1698418800-1698422400@psychology-events.sydney.edu.au
SUMMARY:Psychology Colloquium: Dr Karly Turner: Investigating the psychological and neural links between habitual\, impulsive and compulsive behaviours
DESCRIPTION:Dr Karly Turner (UNSW)\nAbstract\nIt has been suggested that habits spiral out of control to produce compulsive behaviours\, such as those experienced in people with addiction and OCD\, and this process has been associated with higher levels of impulsivity. However\, studying habits in the lab has been challenging and there is limited preclinical evidence for specific stimulus-response associations. To facilitate the translational dissection of the psychological and neural underpinnings of habits\, we recently developed a novel paradigm to measure explicit and specific stimulus-response behaviours in rats. Using this task\, we can dissociate impaired goal-directed control from habits\, which is critical for understanding behaviour relevant to mental health disorders. In addition\, this behaviour is persistent despite negative feedback\, reflecting a core feature of compulsivity. In a separate series of experiments\, we have also established a link between habits and high levels of impulsivity. Using fibre photometry and optogenetics\, we have begun examining the role of the nucleus accumbens in impulsive actions. By developing new knowledge about the psychological and neural processes that support habits\, impulsive and compulsive behaviours\, we hope to advance the development of more effective interventions.
URL:https://psychology-events.sydney.edu.au/event/psychology-colloquium-dr-karly-turner-investigating-the-psychological-and-neural-links-between-habitual-impulsive-and-compulsive-behaviours/
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