A selection of cineradiography films from a physiological study which show characteristic reflex activity in response to 'tactile' stimulation using a probe from six human foetuses. A selection of cineradiography films from a physiological study which show characteristic reflex activity in response to 'tactile' stimulation using a probe from six human foetuses. A selection of cineradiography films from a physiological study which show characteristic reflex activity in response to 'tactile' stimulation using a probe from six human foetuses. A selection of cineradiography films from a physiological study which show characteristic reflex activity in response to 'tactile' stimulation using a probe from six human foetuses.