An approach is provided for determining associations andor propensity among the word occurrences during a therapy interaction for supporting a procedure. The shared column selection signal generating unit receives a column decoding signal to generate a shared column selection signal. The implant further moves towards the radially compressed configuration once implanted in response to a load placed on the implant by the vertebral bodies. Alternatively, the mechanism may comprise a double-pole double-throw switch disposed within the housing. The user module is coupled to a patient support barrier, such as a siderail or a footboard. Also disclosed are antimony-doped tin oxide-based bulk ceramic resistors.