Vibratese is a method of communication through touch. It was developed by F. A. Geldard, 1957. It is a tactile

Somatosensory system

The somatosensory system is a diverse sensory system composed of the receptors and processing centres to produce the sensory modalities such as touch, temperature, proprioception , and nociception . The sensory receptors cover the skin and epithelia, skeletal muscles, bones and joints, internal...

 system based on both practical considerations and on results from a set of controlled psychophysical

Psychophysics

Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they effect. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" or, more completely, as "the analysis of perceptual...

 experiments. Vibratese was composed of 45 basic elements, the tactile equivalent of numerals and letters. The entire English alphabet

English alphabet

The modern English alphabet is a Latin alphabet consisting of 26 letters and 2 ligatures – the same letters that are found in the Basic modern Latin alphabet:...

 and numerals 0 to 9 could be communicated this way. Geldard reported that with proper training, rates of more than 35 words per minute

Words per minute

Words per minute, commonly abbreviated wpm, is a measure of input or output speed.For the purposes of WPM measurement a word is standardized to five characters or keystrokes. For instance, "I run" counts as one word, but "rhinoceros" counts as two...

 were possible for reading. These rates are three times that of an expert with Morse code

Morse code

Morse code is a method of transmitting textual information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment...

. , Vibratese is no longer in use, with little literature available on the subject.