Sensory Synesthesia

Naturally occurring synesthesia is a neurological condition in which stimulation of one sense leads to an automatic triggering of memories or associations with another sense. To put that into perspective, a person suffering from synesthesia could smell colours, or hear movements.

In other words, if the person sees the colour red, they may associate that colour immediately with the smell of a rose for example. Purple with the smell of lavender. Black with soot, etcetera. This is not a conscious association, as in looking at the red fabric and thinking how like a rose that colour is. Instead, when a person with the condition looks at the red fabric, the scent of rose petals immediately fills their mind.

It is this kind of sensory bleed-over that sensory synesthesia interfaces attempt to emulate. The reason being, that if the senses can be made to play off of one another like that, a greater degree of immersion can be achieved with less detail, and less processor overhead. Giving complimentary information to multiple senses gives the simulated input more substance, more reality.

Below, we offer a selection of links from our resource databases which may match this term.

Sensory Synesthesia

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Spikes: Exploring the Neural Code

Our perception of the world is driven by sensory input which is sent to our brains through sequences of spikes carried by sensory neurons, an incoming/outgoing "language of the brain". This book explores the way in which the nervous system represents or encodes these sensory signals.

Prevailing View of Brain's Sensory Processing System is Under Fire

Industry news, originally posted on the first of July 2013, concerning the discovery that sensory data processed by the brain does not always follow the pathways it was shown to follow in the past. Specifically, signals often go through these areas, deeper into the brain, and the whole sensory processing model has been turned on its head.

Multiple Sensory Modalities Proven to Reinforce Each Other
Usually when we think of sensory input channels - sight, sound, touch, taste, smell, balance - we think of the traditional hierarchical order, under the brain. It seems that that hierarchy is not as cut and dried as we once thought, with interesting implications for virtual worlds.

Book Quotes: Apparent Sensory Perception
Apparent Sensory Perception, later known as SimStim, is the logic endpoint of passive entertainment, in all forms.

Sensory Malfunction: Taste
A look at what taste is, as a sense, and the possible malfunctions - what can go wrong with the taste reaching the brain, attempting to explain in signal propogation terms. Intended to assist the creation of taste-based sensory systems for VR.

Attention is what makes Sensory Data Stand Out
The title above should come as no surprise to most people. However, we now have empirical scientific evidence to back this up. When you concentrate your attention or focus on a particular channel of sensory input, it comes in clear and sharp, regardless of the background information. The study focuses on the sense of sight, but what applies there, applies to all.

Extra Sensory Perceptions: Sensing Magnetic Fields
The first known, successful implant of an extra sensory perception to detect magnetic fields the person with the new sense was near, occurred in 2005, when a small piece of neodymium, which is a rare earth metal, that forms a permanent magnet, was coated in a thin layer of silicon, and implanted into an emergency medical technician's finger.

Large Image Display: Animatrix: Matriculated: Plugging In
This shows what is essentially a full sensory immersion LAN. An eight person, totally self contained full-immersion VR machine. As shown, the interface method is direct neural biofeedback; the staple for the Matrix universe. Each of the person's brains are connected to the system via their brainstem, allowing full two way bodily sensory stimulus. However, there is no connection to the greater internet.

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