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To study interactions of head and eye during various motor tasks in a clinical environment, a recording system is needed which should be characterized by high precision and reliability. A computer-assisted optoelectronic method based on the SELSPOT system is described. All the equipment was specially designed for neuro-ophthalmologic purposes and fulfills the requirements. A range of programs was developed using several types of signal processing algorithms, allowing simultaneous one-dimensional and two-dimensional representation of motor acts of the head and eye, including separate analysis of slow and rapid movements. Thus, the method is suitable for analyzing physiologic and pathologic mechanisms of complex interactions. The quality of this novel SELSPOT application is demonstrated by recordings made during induced circular movements.