The Illusionist Brain: The Neuroscience of Magic

The Illusionist Brain: The Neuroscience of Magic

The Illusionist Brain: The Neuroscience of Magic

The Illusionist Brain: The Neuroscience of Magic

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Overview

How magicians exploit the natural functioning of our brains to astonish and amaze us

How do magicians make us see the impossible? The Illusionist Brain takes you on an unforgettable journey through the inner workings of the human mind, revealing how magicians achieve their spectacular and seemingly impossible effects by interfering with your cognitive processes. Along the way, this lively and informative book provides a guided tour of modern neuroscience, using magic as a lens for understanding the unconscious and automatic functioning of our brains.

We construct reality from the information stored in our memories and received through our senses, and our brains are remarkably adept at tricking us into believing that our experience is continuous. In fact, our minds create our perception of reality by elaborating meanings and continuities from incomplete information, and while this strategy carries clear benefits for survival, it comes with blind spots that magicians know how to exploit. Jordi Camí and Luis Martínez explore the many different ways illusionists manipulate our attention—making us look but not see—and take advantage of our individual predispositions and fragile memories.

The Illusionist Brain draws on the latest findings in neuroscience to explain how magic deceives us, surprises us, and amazes us, and demonstrates how illusionists skillfully “hack” our brains to alter how we perceive things and influence what we imagine.


Product Details

ISBN-13: 9780691208442
Publisher: Princeton University Press
Publication date: 06/07/2022
Pages: 248
Product dimensions: 6.20(w) x 9.30(h) x 0.90(d)

About the Author

Jordi Camí is a medical doctor and professor of pharmacology at Pompeu Fabra University in Spain. He is a member of the Spanish Society of Illusionism. Luis M. Martínez is a neuroscientist at the Spanish National Research Council at the Institute of Neuroscience in Alicante.

Table of Contents

1 The Art and Science of the Impossible 1

The Art of the Impossible 2

Where We Will Go in This Book 6

The Grammar of Magic 7

Your Journey with Us 7

Part I The Basics 11

2 Living in Illusion: The Human Brain and the Visual Pathway 13

We Live in Illusion 13

The Brain, Its Cells, and Its Structure 15

Neurons 17

Neural Networks 18

The Visual Pathway 20

The Photoreceptors: Cones and Rods 22

What the Brain Sees 24

The Beginning of Art 25

Color and Luminance 26

The "What" and "Where" Pathways 27

The Expression of Emotions and the Act of Seeing 30

3 The Conception of Reality: We Are Our Memories 32

Perception of the Outside World 32

The Creative Processes of Our Brains: Feeling, Attending, Perceiving 33

How the Brain's Memories Work 35

Sensory Memory 37

Short-Term Memory 38

Long-Term Memory 39

Emotions 39

Feelings 40

Emotional Memories 41

Part II The Mechanisms 43

4 We Build an Illusion of Continuity 45

The Limits of the Brain and the Illusion of Continuity 45

The Particularities of the Field of Vision 46

The Various Types of Scanning Movements 48

The Image Fusion Process 49

The Illusion of Continuity and Cinema 50

The Illusion of Continuity and Sound 51

The Illusion of Continuity: A More General Process 52

Change Blindness 52

Prestidigitation: Is the Hand Faster than the Eye? 56

Slow Magic 57

5 Magic and Contrast: The Key to It All 59

The Funny Thing about Magic 59

Contrast and the External Life of a Magic Effect 60

We See Relatively, Not Absolutely 61

Contrast Detectors 64

Contrast Depends on Context 66

Contrast in Magic 69

Avoiding or Reducing Contrast in Magic 70

Strategies and Resources during the Presentation of a Magic Trick 71

Presensory Manipulations 75

6 We Filter and Process Only What Is Useful to Us 77

The Attention Filter 77

Attention and Awareness 78

The Concept of "Misdirection" in Magic 79

Focal Attention 80

Exogenous Capture of Attention and Open Diversion 81

The Power of Nonverbal Communication 85

Managing the Gaze 86

Priority Movements 88

Endogenous Capture and Covert Deviation 89

Divided Attention 90

Temporary Control or Continuous Direction of Attention 95

Music as a Tool to Transmit Emotions and Synchronize Attention 97

Deactivation of Attention in Magic 98

The "Deconstruction" of a Magic Trick 99

7 Perceiving Is a Creative Act, but Everything Is Already in Your Brain 101

To Perceive Is to Interpret 101

The So-Called Inverse Problem of Vision 103

Bottlenecks in Brain Processing 106

The Brain Is Slow 108

Human Beings Anticipate the Future 111

Magic as the Art of the Unexpected 113

Developing Hypotheses Automatically: Amodal Perception in Magic 114

8 To Remember Is to Rebuild 118

The Function of Memories 118

Explicit (Declarative) Memories 119

Stages of Long-Term Memory Formation 121

Memories Recorded in Especially Emotional Circumstances 122

We Need to Forget in Order to Remember 125

The Reconstructive Character of Memory Evocation 126

False Memories 128

Memories and Memory Manipulation in Magic 131

Techniques for the Promotion of Forgetfulness in Magic 132

Disinformation and False Solutions in Magic 133

Long-Term Memories of a Magic Show 136

9 The Undervalued Unconscious Brain 139

The Brain Never Rests 139

Attention and Awareness 140

Attention without Consciousness 141

Unconscious Perception in Magic 142

Implicit Memories 143

Subtle Conditioning: The Case of Priming 146

Priming in Magic 147

10 The Magic of Decision-Making 149

The Dual Functioning of the Brain 149

Do We Make Expert Decisions? 151

Judgments in Situations of Uncertainty and Instinctive Decisions 152

Types of Forcing 155

Taking a Risk 158

Word Maps 160

The Framing Effect in Magic 162

Reflective Decisions 163

Reasoning in Hindsight in Magic 164

Part III The Results 167

11 The Magic Experience and Its Audiences 169

Experiencing the Illusion of Impossibility 169

The Emotions of the Magic Experience 170

The Unwilling Suspension of Disbelief 171

The Magic Outcome as Cognitive Dissonance 172

The Validity of the Illusion of Impossibility 174

Magic and Superpowers 175

Magic in the Twenty-First Century 176

Is Live Magic in Front of Spectators the Best Magic? 178

Magic Audiences 178

Magic for Children 181

When Magic Provokes the Spectators 184

Magic for Magicians 185

The Popularity of Magic 187

12 Wrapping Up: Scientific Research and Magic 191

The Science of Magic 191

Is There a Scientific History Related to Magic? 192

How Could Magic Contribute to Neuroscience? 197

Acknowledgments 201

Notes 203

Bibliography 213

Index 227

What People are Saying About This

From the Publisher

“Camí and Martínez provide an exciting and rich introduction to the cognitive science behind magic, showing us the fruitful relationship between both disciplines while also pointing to as yet unanswered questions. Through this book, we can all enjoy the search for answers!”—Juan Tamariz, magician

“It may seem odd that a magician is interested in neuroscience or, likewise, that a neuroscientist is interested in magic. However, both seek an understanding of how the brain works. While magicians may want to learn basic principles underlying their tricks, neuroscientists may find in magic a completely refreshing approach to study the brain. Camí and Martínez provide a superb account of these interactions, offering the most up-to-date and comprehensive introduction to the emerging field of neuromagic.”—Rodrigo Quian Quiroga, author of NeuroScience Fiction

“Camí and Martínez give us the gift of a wonderful book that leverages one mystery—magic—to explain an even deeper one, how the brain makes sense of our experiences and how these, in turn, change our brains.”—Judith Hirsch, University of Southern California

“This book will satisfy the curiosity of anyone who wants to know how the brain’s perceptual failures work, through the lens of magic. It will also help us magicians, who have always acted out of intuition, to understand why our tricks work. Books like this one allow us the opportunity to understand each other better.”—Dani DaOrtiz, magician

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