@gaz7224,
Welcome to the Philforum. Interestingly enough, there is a practicing group of "existential psychoanalysis" among whom Binswanger seems to be the most well-known. The link between modern philosophy, especially since Kierkegaard and Nietzsche, and psychology has become more pronounced; and, as new biological discoveries (e.g. genetic) contribute to the philosophy of mind, that link becomes stronger.
Regards,
John