Preface.- The Sphere of Attention is Theme, Context, and Margin.-Theme is Central Focus.- Thematic Context is Relevancy.- Margin is Streaming, Body, and Environing World.- The Field vs. Sphere Metaphor of Attention.- Problems of Context in Psychology and Cognitive Science.- Empirical Evidence for the Sphere of Attention.- Theme and Margin in the Sphere of Attention.- Context in the Sphere of Attention.- Bringing Context into Focus.- Positional Index.- Theme, Context, and Margin in the Sphere of Attention.- Transformations in Attending.- How Context Shifts in Attending.- Enlargement.- Contraction.- Elucidation.- Obscuration.- Context-replacement.- How Thematic Attention Shifts Simply.- How Thematic Attention Shifts Radically.- Restructuring.- Singling out.- Synthesis.- How Attention Captures Marginal Content.- Attending is a Dynamic Tension.- Gurwitsch and Husserl on Attention.- Gurwitsch's Critique of Husserl.- The Ego and Subjectivity Problem.- Two-Strata of the Theme Problem.- The Unitary Attention Problem.- Does Husserl Distinguish Theme, Context, and Margin?.- Evidence from Husserl's Analyses Concerning Passive and Active Synthesis.- Husserl and Gurwitsch on Transformations in Attending.- Subjectivity and the Sphere of Attention.- The Ever-Present Self.- Attentionality Replaces Intentionality.- Reflection.- Authentic Reflection.- Sartre.- Buddhism.- Morality and the Sphere of Attention.- The Moral Moment.- Moral Attention is Compassion.- Shifting Out of Moral Attention.- Shifting Into Moral Attention.- Moral Character in the Sphere of Attention.- Conclusion.- Implications for Psychology and the Cognitive Sciences.- Implications for Phenomenology.- Interdisciplinary Attention Studies.- References.- Name Index.- Subject Index.