Fusion of EEG-Based Activation, Spatial, and Connection Patterns for Fear Emotion Recognition

Table 4

List of studies using EEG signals to perform emotion recognition.

Studies	Features	Accuracies	Classes of emotion	Relevant frequency bands
Our study	DE	79.00 ± 8.01	Fear	Alpha
			Neutral	Alpha
	CSP	80.00 ± 10.04	Fear/neutral	Alpha
	ENP	69.17 ± 10.59	Fear/neutral	Beta/gamma
	DE_ENP_CSP	81.67 ± 7.72	Fear/neutral	Alpha
Huang et al. [21]	DE	87.00 ± 7.30	Positive	Theta
			Negative	Theta
Pan et al. [22]	CSP	62.92	Happiness/sadness	Gamma
Li et al. [23]	DE	62.37 ± 10.27	Happiness	Beta/gamma
			Disgust	Gamma
			Fear	Alpha
			Sad	Alpha
			Neutral	Alpha
Li et al. [24]	DE	45.10 ± 8.13	Positive	Beta
			Negative	Alpha
Jiang et al. [25]	DE	84.76 ± 14.62	Angry	Theta
			Surprise	Beta/gamma
			Neutral	Theta/alpha
Li et al. [26]	PSD	60.00 ± 0.07	Positive/neutral	Beta
			Negative/neutral	Beta/gamma
	DE	65.00 ± 0.09	Positive/neutral	Beta
			Negative/neutral	Beta/gamma
	ENP	65.00 ± 0.09	Positive/neutral	Beta/gamma
			Negative/neutral	Beta/gamma
	PSD_ENP	68.00 ± 0.07	Positive/neutral/negative	Beta
	DE_ENP	67.00 ± 0.08	Positive/neutral/negative	Gamma