Table 2.
Tool | Measurement | Advantages | Disadvantages | Equipment price | Time | Integration level |
---|---|---|---|---|---|---|
EEG | Brain activity | Temporal resolution | Spatial resolution | €35K | 1 hr | Medium |
Wearable EEG | Brain Activity | Temporal resolution | Spatial resolution | €500 to €25K | 30 min. | Medium |
Portable | ||||||
Low cost | ||||||
fMRI | Brain Activity | Spatial resolutiona | Temporal resolutionb | €1M | 1 hr. | Low |
Expensive | ||||||
Non-portable | ||||||
Ethical concerns | ||||||
fNIRS | Brain Activity | Low sensitivity to motion artifacts | Spatial resolution | €50K | 1 h. | Medium |
Portable | Temporal resolution | |||||
ET | Visual attention | Portable | Low flexibility | €100 to €30K | 15 min. | High |
Pupil dilatation | Low cost | Glasses/Contact lenses | ||||
Fixationsc | ||||||
ECG | Heartbeat | Portable | Slow signal | €10K | 15 min. | Medium |
Blood flow | Low cost | Sensitivity to motion | ||||
Low individual usefulness | ||||||
fERS | Facial expressions | High flexibility | Low individual usefulness | €10K | 15 min. | High |
Portable | ||||||
GSR | Skin moisture level | Portable | Low individual usefulness | €100 to €2K | 15 min. | High |
Spatial resolution refers to how accurately the measured activity is localized within the brain.
Temporal resolution refers to how closely the measured activity corresponds to the timing of the actual neuronal activity.
Amount and duration of fixations can be a metric for attention.