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Minds Matter

Beth Fisher and Ava Ma de Sousa

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Learn from cutting edge researchers in neuroscience and psychology with PhD students Beth Fisher and Ava Ma de Sousa. On Minds Matter, we explore a range of subjects, from conspiracy theories to falling in love, to nostalgia. We discuss the neuroscientific and psychological research behind these issues while talking through our own personal experiences.
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How do our identities shift and change over our lifetimes? Dr. Pauline Ho joins us to explore three pathways of identity formation—consolidating, cumulative, and transformative—and how each is shaped by personal histories, social contexts, and important life events. Building off her research with African American college students, Dr. Ho discusses …
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The climate crisis demands urgent action, yet many people struggle to make meaningful changes. This week, we’re joined by Dr. Rachit Dubey to hear about the the psychology behind climate inaction. Dr. Dubey shares insights into why humans are wired to seek rewards, leading to consumerism—a core driver of environmental issues. He breaks down how und…
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How often do you find yourself pondering existential questions—like the meaning of life or what happens after we die? This week, we're joined by Dr. Telli Davoodi, to speak about her research on how both scientific and religious explanations address these questions and psychological roles they play in our lives. Dr. Davoodi also shares insights fro…
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Have you ever felt disgusted? Have you wondered what caused that feeling? This week Dr. Indra Bishnoi explains to us the science behind disgust and its relationship to nausea. She shares her research on conditioned induced nausea and chemotherapy, explaining the importance of finding a treatment to treat this disgust response. We talk about how anx…
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Welcome back to season 4 of Minds Matter! We begin our season with a conversation about civic science with Andrew Gray, co-founder of BioQuisitive a civic science hub in Brunswick, Australia. Can there be ways to create research outside a university? And what does it look like to democratise science? Andrew talks about his inspiring journey to get …
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In an age where politicians are both subjects and creators of memes, and outlets like The Daily Show shape public discourse, how is humor influencing our political engagement? Dr. Prateekshit "Kanu" Pandey shares research on humor's effects on the brain, and its differing roles across cultures, from the U.S. to India. Dr. Pandey, Ava & Beth reflect…
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New developments in AI are making headline news with many perspectives on what the future of AI holds. From Chat GPT to robots, there is lots of new information to take in! This week Dr. Abhilasha Ravichander answers our questions from the basics of AI to questions of AI and consciousness. She speaks to us about where the field is at now and discus…
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How do behavioural and substance addictions relate to mental health? What are the risk factors for these disorders? This week Dr. Andrew Kim helps us answer these questions and discusses how we can best treat addictions and their mental heath co-morbidities. Dr Kim explains how we can use to research to train clinicians so patients can receive the …
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What makes teenagers so keen to embrace risk? Are they chasing potential rewards, or are they just blind to potential consequences? Dr. Nina Lauharatanahirun joins us to discuss the computational and neurobiological underpinnings of risky decision-making in teens. Beth and Ava reminisce about their own adolescence. NOTE: Dr. Lauharatanahirun is rec…
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We hear about neuromodulators like serotonin all the time, but how do they actually work? This week Dr. Claire O’Callaghan gives us an introduction to the science of neurobiology! She discusses the roles of serotonin and noradrenaline and we learn that the systems are more complex than we may hear in popular science. Ava and Beth discuss their misc…
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Are all inequalities perceived the same? Dr. Riana Brown joins us to discuss how different inequalities — health, economic, and belonging — differentially motivate support for collective action and social change. Dr. Brown also shares research on when and why some people might opt to tackle the root causes of inequality, such as advocating for poli…
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What do the social lives of chimps and bonobos reveal about human cognition? Join us as biological anthropologist & comparative psychologist Dr. Laura Lewis tells us about the social structures of our closest living relatives & shares her research on how chimps and bonobos remember friends and foes and manage their social attention. Beth and Ava di…
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How do we store information in the brain? How do we know when one memory should end and another begin? We speak to Dr. Oded Bein who explains how we use schemas to organise information. Dr. Bein discusses how we segment our experiences to store as our memories and how these processes might be different for people with anxiety. We also give some tip…
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When something's bothering you, do you tend to suppress those emotions or sit with them? Dr. Rachel Low joins us to discuss her research on emotion regulation in individuals, relationships, and families. Learn about how parents' emotion regulation styles might spill over to their children, and how just one person suppressing their emotions in a rom…
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Is sexual chemistry just natural compatibility, or can it grow from effort and work? Dr. Jessica Maxwell shares her research exploring how sexual beliefs influence well-being in both long-term and casual relationships. We discuss how individual differences, like attachment styles, shape our relationship preferences, from one-night stands to long-te…
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How often do you play negative experiences over in your head? If this is a painful pattern of thinking, why would we do this? This week we talk about rumination with Dr. Rachel Bedder, she explains why we ruminate and how it is different from worry. Dr. Bedder discusses her computational model of rumination and we learn how we can apply these model…
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How does culture shape our actions towards the environment and our responses to global crises? Dr. Kimmon Eom joins us to discuss how different cultures and socioeconomic statuses influence the willingness to engage in pro-environmental actions. He also shares work on how pandemics and fear of contagion may make even the unprejudiced support xenoph…
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What makes a for a good conversation? Why do we feel we 'click' with some people and not others? This week we speak to Dr. Emma Templeton about research on conversation. She discusses why gap length between two conversation partners is important into understanding our connections and why this may have different meanings between strangers and friend…
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Are we really what we eat? Research on the gut microbiome suggests we really are! This week we speak to Dr. Aya Osman who researches how the gut microbiome influences our brain and behaviour. Dr Osman explains the role of the gut microbiome in addiction and autism and how we can study these connections. We learn what foods are best for a healthy gu…
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One of the biggest mysteries in science is, what is consciousness? This week we speak to Dr Anil Seth about how we can study consciousness and where the field is at the moment. Dr. Seth discusses how our experience can be considered a controlled hallucination and what all this means for AI. Ava and Beth reflect on their views which somehow relates …
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How do you decide to do your maths homework or play a video game? Why does maths homework feel like more effort than the video game? This week we speak with Dr. Laura Ana Bustamante about how cognitive effort effects the decisions we make. She speaks about her research relating cognitive to physical effort, how we can increase our willingness to ex…
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When guilt strikes, how do you respond? Is it a rush to make things right or an urge to evade? Dr. Hongbo Yu is joins us to delve into the complexities of guilt, its neural bases, and the surprising role our eyes play in magnifying or mitigating those guilty feelings. Plus, Beth and Ava share some personal perspectives on eye contact.…
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Elle Murata is a neuroscience Ph.D. student specializing in the impact of sex hormones on the brain. When she noticed something was off with her own menstrual cycle, she found herself having to advocate for her own health to receive proper care. In this conversation, Elle shares her journey to find answers about her own health, and insights from he…
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How do we tell our imagination apart from reality? Although it may seem like a simple process we often get the two confused. This week Dr. Nadine Dijkstra shares with us her research on the reality threshold and how this helps us determine what is real and what is not! Ava and Beth discuss top-down and bottom-up processes in perception and how real…
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We are back for season 3! To start off the season we talk with Dr. Julian Scheffer about his research on compassion. Dr. Scheffer tells us about the cognitive costs of compassion and how effort may effect our decision to feel compassion for others. We discuss how compassion compares to empathy and why it is beneficial to feel compassion at all!…
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In this episode, we explore experiences of minoritized individuals in healthcare. Dr. Kimberly Martin shares her research on COVID-19 vaccination hesitancy among Black Americans, and challenges the common attribution to the Tuskegee experiments, sharing research on the critical role of current experiences in shaping medical mistrust. In addition, D…
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Do you ever wonder how often people lie on dating apps? Or how language can reveal people's lies about groups they dislike? Dr. David Markowitz joins us to share his research on the frequency and types of lies people tell. He also discusses whether and how lies, like fake news, can be detected by humans or AI. Beth and Ava share their own experienc…
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This week we sat down to chat with Dr. Mette Leonard Høeg who is a literary theorist and philosopher studying theories of consciousness. Dr. Høeg speaks about how we can use works of literature in the field consciousness research. We discuss everything from free will to what future societies might be imagined from different theories of consciousnes…
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Have racism, sexism, and homophobia reduced over time? What about ableism? Dr. Tessa Charlesworth joins us to discuss her research using big data and word embeddings to track shifting attitudes about marginalized groups over the years and decades. We explore the implications of her research on prejudice reduction strategies. Beth and Ava discuss th…
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How does a researcher's positionality affect their research? Why do we use the scientific methods that we do? And how do we even measure success in science? This week on the podcast we speak to Dr. Cammi Murrup-Stewart about her research on well-being for urban Aboriginal and Torres Strait Island youth. Speaking about the First Nations Methodologie…
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Why do we love to dance? What makes dance different from other movements? This week on the podcast we speak to Dr. Emily Cross about her research on the neuroscience of dance. Dr. Cross explains why we prefer to watch certain dances over others and how emotion is central to dancing. Ava and Beth discuss their aesthetic experiences with art in gener…
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Is more of a good thing always better? We know this isn't the case with exercise and eating, but does the same idea apply to meditation and mindfulness? This week on the podcast Dr. Sarah Strohmaier talks about her research on 'dose' meditation. Her research found that more mindfulness isn't always the best approach. We discuss how mindfulness and …
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Have you ever wondered why we are drawn to characters like Tony Soprano, even though he carries out morally bad actions? One possible explanation is our moral curiosity. This week on the podcast Dr. Jordan Wylie helps us understand what moral curiosity is and why we are allured by morally ambiguous characters. Dr. Wylie also speaks to us about her …
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A Minds Matter bonus episode! This week we step away from the research questions and have a chat with a Buddhist monk. Bhikkhu Sadaro (Kevin Berryman) is a Buddhist monk from the Ajahn Chah forest meditation tradition who has been practising for the last 17 years. We speak to him about everything from enlightenment, love, loss, and the self.…
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How do you feel about hierarchies? Dr. Sa-Kiera Hudson joins us to discuss how the answer may influence empathy and intergroup conflict. Support for hierarchies can lead not only to reduced empathy, but to increased counter-empathy for competitive groups. We further discuss what happens when hierarchies intersect and how psychology can study multip…
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Have you ever wondered why some days you order your same favourite meal whereas others you decide to try something new? How do we know when we should exploit previous choices or explore new possibilities? In this episode, Noor Sajid discusses her work on active inference, a framework that can answer this problem. Noor uses active inference to inves…
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What actually makes for good sleep? Dr. Lauren Whitehurst joins us to discuss how the brain, and crucially, the rest of the body, interact to support cognitive functions like memory consolidation and insight. Dr. Whitehurst shares how vital sleep is to overall health, and what happens when some communities systematically get less sleep than others.…
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Resilience is a word we hear all the time, but what does it actually mean to be resilient? In this episode, Dr. Lucy Hone discusses her work on resilience and well-being. Sharing her own lived experience with grief, Dr. Hone explains resilience doesn’t mean being fine all the time. We discuss how we can improve our resilience along with the science…
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Do we see things the way they really are or do our biases and motivations influence our perception? Dr Yuan Chang Leong discusses his research on how our motivations influence how we see the world. If we are biased to see the world differently to others, can we ever really understand someone with different political beliefs? We discuss why we have …
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One of the first and strictest gun laws passed in the United States was the Mulford act of 1967, sparked by lawmakers perceived threat of the Black Panthers. Thus, the launch of the gun restriction movement was a targeted effort to limit Black Americans' gun access. How does this history influence attitudes about guns in the U.S. today? Dr. Gerald …
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Why do some people amass have friends effortlessly while others remain isolated? Dr. Elisa Baek tells us about her work using social network analysis to examine the differences between the brains of well-connected and lonely people. Dr. Baek also shares why those with the most friends might not be the most magnetic or charismatic, but might rather …
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What comes first, language, or emotion? In this episode, Dr. Ajay Satpute shares his work examining how the brain and mind interact with language to create and process emotion. Is jumping when seeing a spider the same as worrying about a loved one passing away? Why do we call so many different experiences 'fear'? We discuss how we can apply this kn…
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To kick off season 2, we are joined by Dr. Kelsey Perrykkad, a post-doc at Monash University. Dr. Perrykkad tells us about her work on understanding the self, in the framework of predictive processing. We discuss what predictive processing actually is, whether people can change, and why the self feels the way it does... and more!…
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Beth Fisher and Ava Ma de Sousa bring you a Minds Matter episode on a very exciting topic: boredom. We promise it's more interesting than it seems! Boredom has been linked to creativity and imagination, but also to depression and self-destructive behaviors. In this episode, we examine what boredom is, and whether we should lean into it or run from …
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Does abstract art leave you feeling in awe or annoyed? Art can provoke powerful experiences, making one feel overcome by the experience of beauty. Are there beauty universals based in evolution and biology, or is beauty in the eye of a culturally conditioned beholder? In this episode of Minds Matter, Beth and Ava enter the fray to examine what neur…
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Do you consider yourself to be a curious person? If you are, you might have better relationships, be less aggressive, and less affected by rejection. Sounds nice right? On this episode of Minds Matter, Beth Fisher and Ava Ma de Sousa discuss curiosity, and whether this is a trait that can be trained. ​ Tune in for a deep dive into the brain on curi…
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Empathy has been touted as the answer to the world's crises, while also been pointed to as a potential hindrance to morality. How can researchers be so divided? In this episode of Minds Matter, Beth Fisher and Ava Ma de Sousa explore empathy's various definitions, its possible grounding in 'mirror neurons', and whether the empathy lives up to its h…
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The elusive nature of dreams has led some to believe that they serve as a tool to uncover our unconscious desires, solve problems, and maybe help us catch a stroke of genius. While most of us barely remember our dreams in the morning, some lucid dreamers can control all aspects of their night-time hallucinations. In this episode of Minds Matter, Be…
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