Andreas Gerlach bio photo

Andreas Gerlach

M. Sc. Web Science, Lead Architect Retail Software at Diebold Nixdorf, Promoter of Open Web platforms. All opinions are my own.

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There are four big topics on HCI:

  1. the human: looks on how we process information and trigger on external events
  2. the computer: looks on existing hardware and software architectures and the interaction paradigms they make possible
  3. the context: looks at the setting and environment in which the interaction takes place (time, location, surroundings, …)
  4. techniques & processes: looks on how to build and measure good interaction design

Figure 1: HCI topics and how they relate to each other

CMN Model

The CMN model describes how the human perceives external input.

Figure 2: Human perception depicted