Illustrations played an important role in the articulation of Wundt’s experimental program. Focusing on the woodcuts of apparatus and experimental designs in the six editions of his Grundzüge der physiologischen Psychologie (published between 1873 and 1911), we investigate the uses and functions of illustrations in the experimental culture of the physiological and psychological sciences. We will first present some statistics on the increasing number of illustrations Wundt included in each new edition of his handbook. Next we will show how Wundt (...) managed to introduce the material and literary technologies of physiology into the ‘new psychology’. The distribution of Wundt’s material technology will be further demonstrated by highlighting the crucial role of technicians and instrument-makers. We will use Shapin and Schaffer’s notions of the ‘three technologies’ and ‘virtual witnessing’, combined with Latour’s concept of ‘immutable mobiles’, as analytical tools to explore the strategic aspects of Wundt’s illustrations. (shrink)

Resumo: O artigo investiga as origens biológicas das teorias do impulso de Nietzsche e Freud, extraindo as consequências que delas podemos tirar. Assim, realizaremos inicialmente uma exposição das teorias dos impulsos de Freud e Nietzsche, para depois compará-las a partir das seguintes questões: A gênese dos conceitos e a relação entre psicologia e biologia; Os aspectos dinâmicos e econômicos dos impulsos; 3) O lugar da teoria dos impulsos no contexto de suas obras.: The paper investigates the biological origins of Nietzsche’s (...) and Freud’s theories of drives, drawing their consequences. First, I will expose both theories and later I will compare them, based on the following issues: The genesis of the concepts and the relationship between psychology and biology; The dynamical and economical aspects of drives; The place of the theory of drives in the context of their oevres. (shrink)