Biological Psychology, 13th Edition
James W. Kalat
Contents
Introduction
Overview and Major
Issues 3
The Biological Approach to
Behavior 4
The Field of Biological Psychology 5
Three Main Points to Remember
from This Book 6
Biological Explanations of Behavior 6
Career Opportunities 8
The Use of Animals in Research 9
Degrees of Opposition 11
IN CLOSING: Your Brain and Your Experience 12
Chapter 1
and Nerve
Impulses 17
Module 1.1
The Cells of the Nervous System 18
Neurons and Glia 18
Santiago Ramón y Cajal, a Pioneer
of Neuroscience 18
The Structures of an Animal Cell 19
The Structure of a Neuron 19
Variations among Neurons 21
Glia 21
The Blood–Brain Barrier 23
Why We Need a Blood–Brain Barrier 23
How the Blood–Brain Barrier Works 24
Nourishment of Vertebrate Neurons 25
IN CLOSING: Neurons 25
Module 1.2
The Nerve Impulse 28
The Resting Potential of the Neuron 28
Forces Acting on Sodium and Potassium Ions 29
Why a Resting Potential? 31
The Action Potential 31
The All-or-None Law 32
The Molecular Basis of the Action Potential 32
Propagation of the Action Potential 33
The Myelin Sheath and Saltatory Conduction 35
The Refractory Period 36
Local Neurons 36
IN CLOSING: Neurons and Messages 37
Chapter 2
Synapses 41
Module 2.1
The Concept of the
Synapse 42
Properties of Synapses 42
Speed of a Reflex and Delayed Transmission
at the Synapse 43
Temporal Summation 43
Spatial Summation 43
Inhibitory Synapses 45
Relationship among EPSP, IPSP, and Action
Potentials 46
IN CLOSING: The Neuron as Decision Maker 47
Module 2.2
Chemical Events at the Synapse 50
The Discovery of Chemical Transmission at Synapses 50
The Sequence of Chemical Events at a Synapse 51
Types of Neurotransmitters 52
Synthesis of Transmitters 52
Storage of Transmitters 53
Release and Diffusion of Transmitters 53
Activating Receptors of the Postsynaptic Cell 54
Inactivation and Reuptake of Neurotransmitters 57
Negative Feedback from the Postsynaptic Cell 57
Electrical Synapses 59
Hormones 59
IN CLOSING: Neurotransmitters and Behavior 62
Chapter 3
Anatomy
and Research
Methods 67
Module 3.1
Structure of the Vertebrate Nervous
System 68
Terminology to Describe the Nervous
System 68
The Spinal Cord 70
The Autonomic Nervous System 71
The Hindbrain 72
The Midbrain 73
The Forebrain 74
Thalamus 76
Hypothalamus and Pituitary Gland 77
Basal Ganglia 77
Basal Forebrain 78
Hippocampus 79
The Ventricles 79
IN CLOSING: Learning Neuroan atomy 80
Module 3.2
The Cerebral Cortex 82
Organization of the Cerebral Cortex 82
The Occipital Lobe 84
The Parietal Lobe 84
The Temporal Lobe 85
The Frontal Lobe 85
The Rise and Fall of Prefrontal
Lobotomies 86
Functions of the Prefrontal Cortex 87
How Do the Parts Work Together? 87
IN CLOSING: Functions of the Cerebral Cortex 89
Module 3.3
Research Methods 91
Effects of Brain Damage 91
Effects of Brain Stimulation 92
Recording Brain Activity 93
Correlating Brain Anatomy with
Behavior 96
IN CLOSING: Research Methods and Progress 99
Chapter 4
Genetics, Evolution,
Development,
and Plasticity 103
Module 4.1
Genetics and Evolution of Behavior 104
Mendelian Genetics 104
Sex-Linked and Sex-Limited Genes 106
Genetic Changes 107
Epigenetics 107
Heredity and Environment 108
Environmental Modification 109
How Genes Influence Behavior 110
The Evolution of Behavior 110
Common Misunderstandings about Evolution 110
Evolutionary Psychology 112
IN CLOSING: Genes and Behavior 114
Module 4.2
Development of the Brain 117
Maturation of the Vertebrate Brain 117
Growth and Development of Neurons 118
New Neurons Later in Life 119
Pathfinding by Axons 119
Chemical Pathfinding by Axons 119
Competition among Axons as a General
Principle 121
Determinants of Neuronal Survival 122
The Vulnerable Developing Brain 123
Differentiation of the Cortex 124
Fine-Tuning by Experience 125
Experience and Dendritic Branching 125
Effects of Special Experiences 127
Brain Development and Behavioral Development 131
Adolescence 131
Old Age 132
IN CLOSING: Brain Development 132
Module 4.3
Plasticity after Brain Damage 136
Brain Damage and Short-Term Recovery 136
Reducing the Harm from a Stroke 136
Later Mechanisms of Recovery 138
Increased Brain Stimulation 138
Regrowth of Axons 138
Axon Sprouting 139
Denervation Supersensitivity 139
Reorganized Sensory Representations
and the Phantom Limb 140
Learned Adjustments in Behavior 141
IN CLOSING: Brain Damage and Recovery 142
Chapter 5
Vision 147
Module 5.1
Visual Coding 148
General Principles
of Perception 148
The Eye and Its Connections to the Brain 149
Route within the Retina 149
Fovea and Periphery of the Retina 149
Visual Receptors: Rods and Cones 152
Color Vision 153
The Trichromatic (Young-Helmholtz) Theory 154
The Opponent-Process Theory 155
The Retinex Theory 156
Color Vision Deficiency 158
IN CLOSING: Visual Receptors 159
Module 5.2
How the Brain Processes Visual
Information 162
An Overview of the Mammalian Visual System 162
Processing in the Retina 163
Further Processing 164
The Primary Visual Cortex 166
Simple and Complex Receptive Fields 167
The Columnar Organization of the Visual Cortex 168
Are Visual Cortex Cells Feature Detectors? 169
Development of the Visual Cortex 170
Deprived Experience in One Eye 171
Deprived Experience in Both Eyes 171
Uncorrelated Stimulation in the Two Eyes 171
Early Exposure to a Limited
Array of Patterns 172
Impaired Infant Vision
and Long-Term Consequences 173
IN CLOSING: Understanding Vision by Understanding
the Wiring Diagram 174
Module 5.3
Parallel Processing in the
Visual Cortex 177
The Ventral and Dorsal Paths 177
Detailed Analysis of Shape 178
The Inferior Temporal Cortex 178
Recognizing Faces 179
Motion Perception 181
The Middle Temporal Cortex 181
Motion Blindness 182
IN CLOSING: Aspects of Vision 183
Chapter 6
Other Sensory
Systems 187
Module 6.1
Audition 188
Sound and the Ear 188
Physics and Psychology of Sound 188
Structures of the Ear 189
Pitch Perception 190
The Auditory Cortex 191
Sound Localization 193
Individual Differences 195
Deafness 195
Hearing, Attention, and Old Age 196
IN CLOSING: Functions of Hearing 196
Module 6.2
The Mechanical Senses 199
Vestibular Sensation 199
Somatosensation 199
Somatosensory Receptors 200
Tickle 201
Somatosensation in the Central
Nervous System 202
Pain 203
Stimuli and Spinal Cord Paths 203
Emotional Pain 204
Ways of Relieving Pain 205
Sensitization of Pain 207
Itch 208
IN CLOSING: The Mechanical Senses 208
Module 6.3
The Chemical Senses 211
Taste 211
Taste Receptors 211
How Many Kinds of Taste Receptors? 211
Mechanisms of Taste Receptors 213
Taste Coding in the Brain 214
Variations in Taste Sensitivity 214
Olfaction 216
Olfactory Receptors 217
Implications for Coding 218
Messages to the Brain 219
Individual Differences 219
Pheromones 220
Synesthesia 220
IN CLOSING: Senses as Ways of Knowing the World 221
Chapter 7
Movement 225
Module 7.1
The Control of
Movement 226
Muscles and Their Movements 226
Fast and Slow Muscles 226
Muscle Control by Proprioceptors 228
Units of Movement 230
Voluntary and Involuntary Movements 230
Movements Varying in Sensitivity to Feedback 230
Sequences of Behaviors 230
IN CLOSING: Categories of Movement 231
Module 7.2
Brain Mechanisms of Movement 233
The Cerebral Cortex 233
Planning a Movement 235
Inhibiting a Movement 236
Mirror Neurons 236
Connections from the Brain to the Spinal Cord 238
The Cerebellum 239
Functions Other than Movement 240
Cellular Organization 241
The Basal Ganglia 241
Brain Areas and Motor Learning 244
Conscious Decisions and Movement 244
IN CLOSING: Movement Control and Cognition 246
Module 7.3
Movement Disorders 249
Parkinson’s Disease 249
Causes 250
L-Dopa Treatment 250
Other Therapies 250
Huntington’s Disease 251
Heredity and Presymptomatic Testing 252
IN CLOSING: Movement Disorders Affect More
than Movement 254
Chapter 8
Wakefulness and
Sleep 257
Module 8.1
Rhythms of Waking
and Sleeping 258
Endogenous Rhythms 258
Setting and Resetting the Biological Clock 259
Jet Lag 261
Shift Work 261
Morning People and Evening People 261
Mechanisms of the Biological Clock 262
The Suprachiasmatic Nucleus (SCN) 263
How Light Resets the SCN 264
The Biochemistry of the Circadian Rhythm 264
Melatonin 265
IN CLOSING: Sleep–Wake Cycles 266
Module 8.2
Stages of Sleep and Brain Mechanisms 268
Sleep and Other Interruptions of Consciousness 268
The Stages of Sleep 268
Paradoxical or REM Sleep 269
Brain Mechanisms of Wakefulness, Arousal,
and Sleep 271
Brain Structures of Arousal and Attention 271
Sleep and the Inhibition of Brain Activity 273
Brain Activity in REM Sleep 274
Sleep Disorders 274
Sleep Apnea 276
Narcolepsy 276
Periodic Limb Movement Disorder 277
REM Behavior Disorder 277
Night Terrors and Sleepwalking 277
IN CLOSING: Stages of Sleep 278
Module 8.3
Why Sleep? Why REM? Why
Dreams? 280
Functions of Sleep 280
Sleep and Energy Conservation 280
Analogous to Sleep: Hibernation 280
Species Differences in Sleep 281
Sleep and Memory 283
Functions of REM Sleep 283
Biological Perspectives on Dreaming 284
The Activation-Synthesis Hypothesis 284
The Neurocognitive Hypothesis 285
IN CLOSING: Our Limited Self-Understanding 285
Chapter 9
Internal
Regulation 289
Module 9.1
Temperature
Regulation 290
Homeostasis and Allostasis 291
Controlling Body Temperature 292
Surviving in Extreme Cold 293
The Advantages of Constant High Body
Temperature 293
Brain Mechanisms 294
Fever 295
IN CLOSING: Combining Physiological and Behavioral
Mechanisms 296
Module 9.2
Thirst 298
Mechanisms of Water Regulation 298
Osmotic Thirst 298
Hypovolemic Thirst and Sodium-Specific Hunger 300
IN CLOSING: The Psychology and Biology of Thirst 301
Module 9.3
Hunger 303
Digestion and Food Selection 303
Consumption of Dairy Products 304
Food Selection and Behavior 304
Short- and Long-Term Regulation of Feeding 305
Oral Factors 305
The Stomach and Intestines 306
Glucose, Insulin, and Glucagon 306
Leptin 308
Brain Mechanisms 309
The Arcuate Nucleus and Paraventricular
Hypothalamus 309
The Lateral Hypothalamus 311
Medial Areas of the Hypothalamus 312
Eating Disorders 313
Genetics and Body Weight 314
Weight Loss Techniques 314
Bulimia Nervosa 315
Anorexia Nervosa 316
IN CLOSING: The Multiple Controls of Hunger 317
Chapter 10
Reproductive
Behaviors 321
Module 10.1
Sex and Hormones 322
Organizing Effects of Sex Hormones 324
Sex Differences in the Brain 325
Sex Differences in Play 327
Activating Effects of Sex Hormones 328
Males 328
Females 329
Effects of Sex Hormones on Nonsexual
Characteristics 331
Parental Behavior 332
IN CLOSING: Reproductive Behaviors
and Motivations 334
Module 10.2
Variations in Sexual Behavior 337
Evolutionary Interpretations of Mating Behavior 337
Interest in Multiple Mates 337
What Men and Women Seek in a Mate 338
Differences in Jealousy 338
Evolved or Learned? 338
Gender Identity and Gender-Differentiated
Behaviors 338
Intersexes 339
Interests and Preferences of Girls with CAH 340
Testicular Feminization 340
Issues of Gender Assignment and Rearing 340
Discrepancies of Sexual Appearance 341
Sexual Orientation 342
Behavioral and Anatomical Differences 342
Genetics 342
An Evolutionary Question 343
Prenatal Influences 344
Brain Anatomy 344
IN CLOSING: We Are Not All the Same 346
Chapter 11
Emotional
Behaviors 351
Module 11.1
What Is Emotion? 352
Emotions and Autonomic Arousal 352
Is Physiological Arousal Necessary for Emotional
Feelings? 353
Is Physiological Arousal Sufficient for
Emotions? 354
Is Emotion a Useful Concept? 354
Do People Have a Few Basic Emotions? 356
The Functions of Emotion 357
Emotions and Moral Decisions 358
IN CLOSING: Emotions and the Nervous System 360
Module 11.2
Attack and Escape Behaviors 362
Attack Behaviors 362
Heredity and Environment in Violence 363
Hormonal Effects 363
Serotonin Synapses and Aggressive Behavior 364
Testosterone, Serotonin, and Cortisol 365
Fear and Anxiety 365
Role of the Amygdala in Rodents 366
Studies of the Amygdala in Monkeys 367
Response of the Human Amygdala to Visual
Stimuli 367
Individual Differences in Amygdala Response and
Anxiety 368
Damage to the Human Amygdala 369
Anxiety Disorders 371
Relief from Anxiety 372
Pharmacological Relief 372
Alcohol and Anxiety 373
IN CLOSING: Doing Something about Emotions 373
Module 11.3
Stress and Health 376
Stress and the General Adaptation Syndrome 376
Stress and the Hypothalamus-Pituitary-Adrenal Cortex
Axis 377
The Immune System 377
Effects of Stress on the Immune System 378
Coping with Stress 379
IN CLOSING: Emotions and Body Reactions 380
Chapter 12
Learning,
Memory, and
Intelligence 383
Module 12.1
Learning, Memory, and Memory Loss 384
Localized Representations of Memory 384
Lashley’s Search for the Engram 384
The Modern Search for the Engram 386
Types of Memory 387
Short-Term and Long-Term Memory 387
Our Changing Views of Consolidation 388
Working Memory 389
Memory Loss 389
Korsakoff’s Syndrome 390
Alzheimer’s Disease 390
Infant Amnesia 392
IN CLOSING: Memory and Forgetting 392
Module 12.2
The Hippocampus and the Striatum 395
Memory Loss after Damage to the Hippocampus 395
Theories of the Function of the Hippocampus 398
Navigation 399
The Striatum 401
Other Brain Areas and Memory 402
IN CLOSING: Brain Damage and Memory 403
Module 12.3
Storing Information in the Nervous
System 405
Blind Alleys and Abandoned Mines 405
Learning and the Hebbian Synapse 406
Single-Cell Mechanisms of Invertebrate Behavior
Change 407
Aplysia as an Experimental Animal 407
Habituation in Aplysia 407
Sensitization in Aplysia 407
Long-Term Potentiation in Vertebrates 408
Biochemical Mechanisms 408
Improving Memory 412
IN CLOSING: The Physiology of Memory 413
Module 12.4
Intelligence 415
Brain Size and Intelligence 415
Comparing Species 415
Human Data 416
Genetics and Intelligence 417
Brain Evolution 418
IN CLOSING: Why Are We So Intelligent? 419
Chapter 13
Cognitive
Functions 423
Module 13.1
Lateralization and
Language 424
The Left and Right Hemispheres 424
Anatomical Differences between the
Hemispheres 425
Visual and Auditory Connections to
the Hemispheres 425
The Corpus Callosum and the Split-Brain Operation 426
Split Hemispheres: Competition
and Cooperation 428
The Right Hemisphere 429
Avoiding Overstatements 429
Evolution of Language 430
Chimpanzees 430
Bonobos 430
Nonprimates 431
How Did Humans Evolve Language? 432
Is Language a By-Product of Intelligence? 432
Language as a Specialization 433
A Sensitive Period for Language Learning 434
Brain Damage and Language 434
Broca’s Aphasia (Nonfluent Aphasia) 434
Wernicke’s Aphasia (Fluent Aphasia) 436
Dyslexia 437
IN CLOSING: Language and the Brain 438
Module 13.2
Conscious and Unconscious
Processes 441
The Mind–Brain Relationship 441
Consciousness of a Stimulus 442
Experiments Using Masking 442
Experiments Using Binocular Rivalry 443
The Fate of an Unattended Stimulus 444
Consciousness as a Threshold
Phenomenon 445
The Timing of Consciousness 445
Conscious and Unconscious People 446
Attention 446
Brain Areas Controlling Attention 446
Spatial Neglect 447
IN CLOSING: Attending to Attention and Being
Conscious of Consciousness 449
Module 13.3
Making Decisions and Social
Neuroscience 452
Perceptual Decisions 452
Decisions Based on Values 453
The Biology of Love 454
Empathy and Altruism 455
IN CLOSING: Biology of Decisions
and Social Behavior 456
Chapter 14
Psychological
Disorders 459
Module 14.1
Substance Abuse 460
Drug Mechanisms 460
Predispositions 460
Genetic Influences 460
Environmental Influences 461
Behavioral Predictors of Abuse 461
Synaptic Mechanisms 462
The Role of Dopamine 462
Cravings 464
Tolerance and Withdrawal 464
Treatments 465
Medications to Combat Alcohol Abuse 465
Medications to Combat Opiate Abuse 465
IN CLOSING: The Psychology and Biology
of Substance Abuse 466
Module 14.2
Mood Disorders 468
Major Depressive Disorder 468
Genetics 469
Abnormalities of Hemispheric Dominance 470
Antidepressant Drugs 470
Types of Antidepressants 470
How Are Antidepressants Effective? 471
How Effective Are Antidepressants? 472
Alternatives to Antidepressant Drugs 473
Exercise and Diet 474
Bipolar Disorder 476
Treatments 476
IN CLOSING: The Biology of Mood Swings 477
Module 14.3
Schizophrenia 480
Diagnosis 480
Differential Diagnosis of Schizophrenia 481
Demographic Data 481
Genetics 482
Family Studies 482
Adopted Children Who Develop Schizophrenia 482
Efforts to Locate a Gene 483
The Neurodevelopmental Hypothesis 483
Prenatal and Neonatal Environment 484
Mild Brain Abnormalities 484
Long-Term Course 485
Early Development and Later Psychopathology 485
Treatments 486
Antipsychotic Drugs and Dopamine 486
Second-Generation Antipsychotic Drugs 487
Role of Glutamate 488
IN CLOSING: Many Remaining Mysteries 489
Module 14.4
Autism Spectrum Disorders 492
Symptoms and Characteristics 492
Genetics and Other Causes 493
Treatments 494
IN CLOSING: Development and Disorders 494
Appendix A
Brief, Basic Chemistry 496
Appendix B
Society for Neuroscience Policies on the Use of Animals
and Human Subjects in Research 502
References 504
Name Index 567
Subject Index/Glossary 589