This paper deals with two theories Husserl worked out on imagery in order to see if the properties a phenomenological description ascribes to imagery are fit to give meaningful constraints upon theoretical models that guide empirical research. Husserlian descriptions and Kosslyn and colleagues models are hence compared as to their explanatory strategy and implications.

The seal of the a priori is imprinted on the reception of Kant's philosophy. Piaget's epistemological argumentation seems to ascribe knowledge a more fruitful constructiveness than Kant, seeing the a priori as rooted in unvarying reason. Yet, it seems, he failed to recognize the complexity of Kant's theory, which does not always follow a quid iuris line. Moments of experience, analysis and self-observation played more than a marginal role in his discovery of the a priori. Indeed, Kant himself raises the (...) question of ontogenetic category assimilation in a review which pre-empts Piaget, borrowing the category of `original acquisition' from the doctrine of the laws of natural right. And although Kant should not be elevated to the harbinger of the knowledge on development issues delivered thus far by the history of science and experiments, he did recognize the temporal reference of their categories in principle without resolving their validity in psychogenetic terms. Key Words: a priori • categories • genetic epistemology • Geneva School • neo-Kantianism • original acquisition • Jean Piaget • psychogenesis • self-observation. (shrink)

I analyze the historical background and philosophical considerations of Karl Bühler and his student Karl Popper regarding the crisis of psychology. They share certain Kantian questions and methods for reflection on the state of the art in psychology. Part 1 outlines Bühler’s diagnosis and therapy for the crisis in psychology as he perceived it, leading to his famous theory of language. I also show how the Kantian features of Bühler’s approach help to deal with objections to his crisis diagnosis and (...) to aspects of his linguistic theory. Part 2 turns to Popper’s dissertation, completed in 1928 under Bühler. I analyze Popper’s disapproval of Schlick’s physicalism in psychology, as well as Popper’s attempt to extend Bühler’s Kantian strategy to the domain of the psychology of thinking. In conclusion, I indicate how these approaches to the crisis in psychology differ from Thomas Kuhn’s notions of crisis and revolution, which are still all too popular in current philosophical discussions of psychology. (shrink)