| Term | Definition |
| Activation | particular parts of the brain become activated as the result of stimulus, conveyed by the nerves. |
| Attention span | The length of time that an individual will typically remain focused and exclude interference. |
| Cocktail party effect | The phenomenon of hearing one's name in the midst of any loud conversations when nothing else can be heard. |
| Cueing | Facilitating a response by preparing the brain to recognise a particluar signal. |
| Divided attention | The capacity to attend to more than one thing at a time. |
| Facilitators | Factors that make it easier for a person to sustain attention. |
| Focused attention | When the activation of your brain is suffieciently high to exclude most interference. |
| Hypothesis | Supposition made at the starting point for further investigation from known facts. |
| Interference | Stimuli which cause sufficient activation of other parts of the brain to transfer or reduce attention from what was being attended to. |
| Stimulus | Something that excites a nerve. |
| Sustained attention | When a person's brain remains highly and specifically activated so that interference is excluded for an extended period of time. |
| Switching attention | Allowing another part of the brain to become activated and so transferring attention from the task or object that is currently activating your brain. |