Table 2 Data dimension of EEG signals from the DREAMER dataset.

From: CNN-XGBoost fusion-based affective state recognition using EEG spectrogram image analysis

Attribute

Amount/details

Number of participants

25 (23)

Stimuli amount

18

Video contents

Audio, video

Duration of contents

65–393 s

Age of participants

22–33

Signals

EEG

Channels

14

Sampling rate

128 Hz

Rating of

Valence, arousal and dominance

Range of rating

0–5

Total data

(23 \(\times\) 18) = 414

Spectrogram images

(23 \(\times\) 18 \(\times\) 14) = 5796