1. Introduction: What is a TOT?
Descriptions and Anecdotes
Brown and McNeill (1966): Seminal Research on TOTs
2. Properties of Naturally-Occurring TOTs
TOTs are Naturally-Occurring Experiences
TOTs in the Field: TOT Diaries
3. Theories of TOT Etiology
4. TOTs as a Window on Retrieval
Models of Lexical Retrieval
TOTs and Theories of Bilingual Semantic Representation
Relation of Gestures, TOTs, and Word Retrieval
Tip-of-the-Pen Phenomenon in Chinese Writing
5. Theories of Metacognition
6. Functional Aspects of the TOT
Monitoring and Control Theory and Inferential Models of TOT Etiology
TOTs as Control Mechanisms
TOTs and Other Control Features
7. TOTs, Development, and Neuropsychological Issues
Decrement Theory Versus Incremental Knowledge Theory
TOTs in Patient Populations
8. Conclusions and Directions for the Future