Andrei Miu - Lumea fascinantă a emoțiilor și legătura ei cu deciziile | Vast and Curious Podcast

Summary

The episode explores how emotions arise, how they shape attention, memory, and decisions, and how people can regulate them. Andrei Miu explains that emotions are not simply automatic bodily reactions: they are closely tied to how we interpret events in relation to our goals.

Main ideas

• Andrei Miu’s path into neuroscience: He became interested in psychology in high school, then encountered neurophysiology during his first year at university. A question about whether new neurons can form in the adult brain led him to study adult neurogenesis, work in a laboratory, and eventually pursue neuroscience research and teaching.

• Adult neurogenesis and the brain: Some stem cells continue to produce neurons in limited areas of the adult brain. The process is real, but the number of new neurons is small compared with the brain’s total, and their contribution to learning and emotion remains debated. Miu also distinguishes beneficial physical effort and ordinary challenge from severe or traumatic stress.

• What the cognitive neuroscience lab studies: The lab investigates emotions and emotional regulation using psychology, cognitive neuroscience, and behavioral genetics. One focus is whether childhood adversity affects how people respond to stress and regulate emotions in adulthood, potentially increasing vulnerability to mental and physical health problems.

• How early experiences shape regulation: Maltreatment can include physical, sexual, or emotional abuse, as well as physical or emotional neglect. Emotional neglect may involve not having a caregiver help a child understand and manage feelings. Emotional development unfolds over time: children learn from caregivers, and adolescents also learn from peers. The brain systems supporting complex emotional regulation continue maturing through adolescence.

• Emotions arise through appraisal: People continually interpret situations in relation to their active goals—such as safety, social connection, or performance—and assess whether they have the resources to cope. This process, called cognitive appraisal, helps determine which emotion arises. As a result, emotions depend partly on how a person understands the situation, not just on the situation itself.

• Emotions guide behavior but also bias thinking: Emotions help flag potential threats and opportunities. Fear can direct attention toward danger, make emotionally charged events more memorable, and encourage risk avoidance. Positive emotions can encourage approach, though evidence that they reliably improve risk-taking or decisions is more limited. These effects may be useful in some circumstances and harmful in others.

• Emotion regulation is flexible: People can try to increase or decrease an emotion using strategies such as distraction, changing their focus, reinterpreting a situation, modifying or avoiding a situation, and reflecting on what can be learned from it. No single strategy works well in every context. The goal is to choose a response suited to the situation, rather than to suppress or control every emotion automatically.

Practical approach to regulating emotions and making decisions

• Notice the emotion as it begins, rather than waiting for it to intensify. Regulation is generally easier when started early.
• Check your interpretation of events. Ask what information supports your understanding and whether you are relying on objective evidence.
• Relate the emotion to your goal. Consider what the emotion may be signalling, and whether it is helping or interfering with what you need to do.
• Reappraise when useful. Deliberately reinterpret the situation—for example, consider possible gains, learning, or other outcomes alongside potential losses.
• Choose a strategy that fits the circumstances. Reappraisal, distraction, expressing emotion, suppressing its outward expression, or changing the situation may each be appropriate in different contexts.
• Evaluate the options before acting. Fear and anxiety can promote caution, which is adaptive when danger is likely. But in decisions where the downside may be limited and the potential benefit substantial, unchecked risk aversion can lead to poor choices.
• Aim for flexibility, not constant control. Effective regulation depends on paying attention both to personal feelings and to what the situation requires.

Miu describes research from his laboratory showing that teaching people to reinterpret situations associated with fear or disgust can reduce those emotions and, in certain decision tasks, reduce risk aversion. Related work found that reappraisal could lessen the framing effect—the tendency for decisions to change depending on whether options are presented as gains or losses. The practical lesson is not to take more risks by default, but to keep emotions from preventing a careful comparison of alternatives.

Speakers and sources featured

• Andreea Roșca — Host and interviewer of The Vast and The Curious.
• Andrei Miu — Guest; psychology professor and cognitive neuroscience researcher.
• Smith and Ellsworth’s 1980s study — Cited in the discussion of how appraisals such as predictability and control relate to specific emotions.
• Andrei Miu and colleagues’ research — Studies discussed on emotion regulation, risk aversion, and framing effects in decision-making.
• Dedeman — Named as the podcast sponsor in the introduction.