| Taking a Scientific Approach to Improving Map Representation and Design | p. 1 |
| Toward Functional Maps | p. 2 |
| Cartography as Graphic Communication | p. 3 |
| Objections to Scope and Method | p. 6 |
| Art and Science | p. 8 |
| Deconstructing the Discipline | p. 10 |
| Taking a Fresh Approach to Symbolization and Design Research | p. 11 |
| Organization of This Book | p. 16 |
| How Meaning Is Derived from Maps | p. 21 |
| An Information-Processing View of Vision and Visual Cognition | p. 25 |
| Marr's Approach to Vision | p. 27 |
| Visual Cognition | p. 33 |
| Processing of Visual Stimuli | p. 33 |
| Processing of Imagery | p. 46 |
| Conclusion | p. 49 |
| How Maps Are Seen | p. 51 |
| Eye-Brain System | p. 53 |
| The Eye | p. 54 |
| Eye to Brain | p. 63 |
| Brain | p. 63 |
| Perceptual Organization and Attention | p. 68 |
| Grouping | p. 71 |
| What We Attend To | p. 80 |
| Selective Attention and Separability of Visual Dimensions | p. 81 |
| Divided Attention and Variable Conjunctions | p. 87 |
| Associativity of Graphic Variables | p. 91 |
| Indispensable Variables | p. 92 |
| Where We Attend | p. 94 |
| Location | p. 94 |
| Scale | p. 96 |
| Scanning the Visual Scene | p. 101 |
| Figure-Ground | p. 107 |
| Heterogeneity | p. 110 |
| Bottom-Up versus Top-Down Processing | p. 117 |
| Visual Levels | p. 120 |
| Perceptual Categorization and Judgment | p. 123 |
| Detection | p. 124 |
| Discrimination | p. 127 |
| Text Discrimination | p. 127 |
| Point Feature Discrimination | p. 128 |
| Pattern Discrimination | p. 130 |
| Color Discrimination | p. 132 |
| Motion Discrimination | p. 133 |
| Judging Order | p. 134 |
| Judging Relative Manitude | p. 135 |
| Perceiving Depth from a Two-Dimensional Scene | p. 136 |
| A Taxonomy of Depth Cues | p. 137 |
| Applying Depth Cues to Maps | p. 139 |
| Physiological Approaches | p. 139 |
| Perspective Approaches | p. 139 |
| Nonperspective Approaches | p. 141 |
| Summary | p. 147 |
| How Maps Are Understood: Visual Array to Visual Description [left and right arrow] Kowledge Schemata [left and right arrow] Cognitive Representation | p. 150 |
| Mental Categories | p. 151 |
| Prototype Effects | p. 153 |
| Family Resemblance | p. 155 |
| Fuzzy Categories | p. 156 |
| Typicality Effects | p. 158 |
| Maps as a Radial Category | p. 160 |
| Basic-Level Categories | p. 162 |
| Natural versus Cultural Category Structures | p. 167 |
| Multiple Representations | p. 168 |
| Multiple Representations: Common and Scientific | p. 168 |
| Fuzzy Representations of Well-Defined Concepts | p. 169 |
| Knowledge Representation | p. 170 |
| Kinds of Knowledge Representation | p. 171 |
| Kinds of Knowledge Schemata | p. 174 |
| Propositional Schemata | p. 176 |
| Image Schemata | p. 185 |
| Event Schemata (Scripts and Plans) | p. 190 |
| Development and Application of Cognitive Schemata | p. 193 |
| How Map Schemata Are Developed | p. 193 |
| Physiological Bases for Map Schemata | p. 194 |
| Developmental Bases for Map Schemata | p. 195 |
| General-to-Specific Map Schemata | p. 198 |
| How Map Schemata Are Selected | p. 202 |
| How Map Schemata Are Used | p. 205 |
| Conclusion | p. 209 |
| How Maps Are Imbued with Meaning | p. 213 |
| A Primer on Semiotics for Understanding Map Representation | p. 217 |
| The Nature of Signs | p. 218 |
| Models of the Sign | p. 219 |
| Typology of Signs | p. 222 |
| Typology of Discourse | p. 225 |
| How Signs Signify: Specificity or Levels of Meaning | p. 228 |
| Typology of Comprehension (or Miscomprehension) | p. 232 |
| The Nature of Sign Systems | p. 234 |
| Dimensions of Semiosis | p. 234 |
| Systemology | p. 238 |
| Semiotic Economy | p. 239 |
| Simultaneity versus Articulation | p. 240 |
| Combinatorial Relations | p. 241 |
| Application of the Semiotic Approach to Map Representation | p. 242 |
| A Functional Approach to Map Representation: The Semantics and Syntactics of Map Signs | p. 244 |
| The Nature of Map Signs-Map Semantics | p. 245 |
| Sign-Vehicle as Mediator | p. 246 |
| Referent as Mediator | p. 250 |
| Interpretant as Mediator | p. 256 |
| The Nature of Map Sign Systems-Map Syntactics: Logical Interrelationships | p. 269 |
| Visual Variables and Syntactic Rules | p. 270 |
| Static Visual Maps | p. 270 |
| Static Tactile Maps | p. 276 |
| Dynamic Visual Maps | p. 278 |
| Dynamic Audio Maps | p. 287 |
| Sign-Vehicle Sets | p. 290 |
| Multiple Linked Sign Systems | p. 295 |
| Maps as Signs | p. 302 |
| Map Sign Comprehension | p. 305 |
| Discussion | p. 307 |
| A Lexical Approach to Map Representation: Map Pragmatics | p. 310 |
| Meaning in Maps | p. 312 |
| Space, Time, and Attribute Denotation | p. 312 |
| Denoting Spatial Position | p. 313 |
| Denoting Temporal Position | p. 315 |
| Denoting Attributes of Position in Space-Time | p. 317 |
| Specificity of Signs | p. 321 |
| Singular versus General Signs | p. 321 |
| Unambiguous versus Ambiguous Signs | p. 323 |
| Monosemic versus Polysemic Sign Systems | p. 325 |
| Directness of Reference: Literality of Interpretants | p. 325 |
| Concreteness of Signs: Concept versus Phenomenon Representations | p. 327 |
| Etymology and Cultural Specificity of Meaning | p. 329 |
| Meaning of Maps | p. 330 |
| Connotative Meaning of Map Signs | p. 331 |
| Extrasignificant Codes | p. 332 |
| A Typology of Map Connotation | p. 336 |
| The Map Itself as an Implicit Code | p. 338 |
| Connotation of Veracity: Truth and Reality | p. 338 |
| Connotation of Integrity: Map Ethics | p. 340 |
| Valuative Connotations: Judgments | p. 342 |
| Connotations of Power: Territorial Control | p. 345 |
| Incitive Connotations: Persuasion to Action | p. 348 |
| Can Connotations Be Measured? | p. 349 |
| Synopsis and Directions | p. 351 |
| How Maps Are Used: Applications in Geographic Visualization | p. 355 |
| GVIS: Facilitating Visual Thinking | p. 361 |
| A Model of Feature Matching | p. 362 |
| Linking Perceptual Organization and Map Syntactics | p. 367 |
| Indispensable Variables | p. 368 |
| 2-D Space | p. 369 |
| Simulated 3-D | p. 370 |
| Time | p. 376 |
| Scale and Resolution | p. 380 |
| Space | p. 380 |
| Attributes | p. 384 |
| Time | p. 385 |
| Spatial Feature Enhancement through Graphic Variable Manipulation | p. 386 |
| Using Monochrome Variables | p. 387 |
| Using Color Variables | p. 389 |
| The Role of Categories and Schemata | p. 392 |
| Conclusions | p. 398 |
| GVIS: Relationships in Space and Time | p. 401 |
| Feature Comparison: Looking for Relationships in Multidimensional Data | p. 401 |
| Space | p. 402 |
| Orientation | p. 409 |
| Color | p. 411 |
| Time | p. 416 |
| Focusing | p. 418 |
| Sound | p. 419 |
| Space-Time Processes | p. 422 |
| Categorizing Space-Time Phenomena | p. 423 |
| Mapping Temporal Entities to Display Variables | p. 425 |
| Exploring Space-Time Processes: Kinds of Interaction | p. 427 |
| Process Tracking | p. 428 |
| Postprocessing | p. 429 |
| Process Steering | p. 432 |
| Discussion | p. 433 |
| GVIS: Should We Believe What We See? | p. 435 |
| How to Judge "Truth" in GVIS | p. 435 |
| Truth of Signs in the Display | p. 436 |
| Truth of the Display as Sign: Seeing Wrong versus Not Seeing | p. 444 |
| What "Truth" Is in GVIS | p. 447 |
| Visual Thinking and Cognitive Gravity | p. 448 |
| Public Presentation and Implicit Connotation | p. 452 |
| Discussion | p. 456 |
| Postscript | p. 459 |
| References | p. 463 |
| Author Index | p. 491 |
| Subject Index | p. 497 |
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