I had an experience yesterday that was totally exhausting, but fascinating. An expected action catalyzed an unexpected emotional reaction; a relatively small incident set off a huge welter of emotions. The trigger turned out to represent — and therefore evoke — much larger, parallel, issues that lurked under the surface.

It’s almost like a pain path: when a person has physical pain, it stimulates the nerve path to the brain. The more often that path is traced, the more developed — and responsive — that nerve path grows. And the more sensitive and exquisite the pain.

I don’t know if the identical neuronal process applies to emotions. If it doesn’t, it surely provides a useful parallel, a useful analogy. Once an emotional route is traced — a certain type of event, a certain interpretation of that event, a certain emotional response to that event — that same route is more likely to be retraced the next time an event of that type occurs.

[I suppose this is the foundation of behavioral psychology: to encourage a desired emotional response by forcing interpretation (either positive or negative) to a controlled event combination (grafting a contrived event onto one that otherwise occurs spontaneously). And by repeating the process over and over, to “retrain” the interpretation to that type of event, thus leading to a different, more desirable, emotional response.]

Musing on Using

All of this led me to think about how the best products or interfaces take positive advantage of this quality: of the ability of one small experience to somehow tap into a depth of prior, more emotional experiences.

In some ways, this is the goal of great User Experience design: to create a series of positively felt interactions that build upon one another to create a superlative overall experience of a product.

Every “Little” Interaction Counts

This is why every “little” key press, every symmetry of interface, every tactile feedback, every sound, every visual transition matters so much. It’s why people like Steve Jobs and Jon Ives are totally obsessive. Because the User Experience as a whole is created by tens and hundreds of little interactions, little trigger events.

On the one hand, this means that the system can tolerate a certain degree of bad experience (think Symbian S60 menus), if the overall experience is positive enough (think Nokia phones). Because the positive emotional reaction will still be triggered often enough to keep the overall experience positive.

On the other hand, this means that the first series of experience event absolutely has to be wonderful, to establish the desired User Experience pathway (think original Palm Pilot). If not, a neutral or negative pathway is established, which is difficult to overcome — perhaps impossible to overcome entirely (think Motorola RAZR).

Creating Passionate Relationships

But the really powerful lesson is that if once you’ve established a solid experience path, you can evoke a strong response in it with even a very small interaction (think iPhone). You can leverage the historic cumulation of experiences to evoke a disproportionate emotional response… for better or for worse.

Each little experience doesn’t just add to the effects of the previous ones, it builds upon them. The speed and intensity increase, up to a certain point. You get more bang for your buck. And you create passionate user-device relationships.