Laboratory recording device for cellular activity, namely, integrated patch amplifier for biophysical and cellular physiological research in the fields of neurobiology, sensory biology and neuromodulation, and signal acquisition system comprising electrodes, microamplifiers, intracellular electrometers, analog headstages, analog signal conditioners, analog to digital converters, digital to analog converters, voltage stabilizing units and electrode holders, all for biophysical and cellular phy...