PreparED Study Materials
PSYCH 315: PSYCH 315
School: University of Massachusetts
Number of Notes and Study Guides Available: 2
Notes
Videos
Altruism & Kin Selection: Selfless Acts in Animals
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Explore the intriguing concept of altruism and its manifestations in the animal kingdom. Understand how Kin Selection, rooted in evolutionary biology, provides a compelling explanation for selfless behaviors that seemingly benefit others more than oneself.
Demystifying Neural Pruning: Brain Efficiency and Growth
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Discover the essential process of neural pruning in brain development, distinct from creating new connections, managing neural waste, or increasing brain weight. Uncover how this natural "clean-up" refines our neural network, making our brains more efficient in processing information. Explore the impact of neural pruning on cognitive growth and the interaction between genetics and environment in brain development.
From Arousal to Emotion: Understanding the Two-Factor Theory
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Discover the concept of physiological arousal and how various psychological theories interpret it into emotions. Learn about the role of context in defining our emotions through the Two-Factor Theory. Grasp the significance of cognitive labeling in different scenarios.
Heather Sellers: Sensation vs. Perception in Face Blindness
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Explore the unique perspective of accomplished author and professor Heather Sellers as she shares her journey with prosopagnosia, a condition that highlights the distinction between sensation and perception. Discover how her fully functional sensory organs contrast with impaired cognitive processes, shedding light on the intricate relationship between sensing and interpreting the world around us.
Deciphering Signal Detection Theory: Sensing Amid Noise
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Discover how Signal Detection Theory helps in identifying signals in a cluttered setting. This video unpacks its four key outcomes—Hit, Miss, False Alarm, and Correct Rejection—and explores its relevance in various perception processes like vision, smell, and absolute thresholds.
Understanding Attribution: From Disposition to Situation
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Explore the concept of attributing behaviors to internal characteristics versus external situations. Understand how we often lean towards dispositional attributions, even when external factors are significant. Discover the essence of correspondence bias and its role in our daily interpretations.



