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Table 1 Power and coherence effects in ASD compared with typically developing individuals

From: Resting state EEG abnormalities in autism spectrum disorders

Frequency band

Brain region(s)

Effect

Ref(s)

  

Absolute power

 

Delta

Frontal

 Enhanced

[74, 75]

 

Frontal

 Reduced

[77, 80]

 

Central/parietal

 Enhanced

[73]

 

Temporal

 Reduced

[80]

Theta

Frontal/prefrontal

 Enhanced

[75, 78]

 

Frontal

 Reduced

[80]

 

Temporal

 Reduced

[80]

 

Parietal

 Reduced

[80]

Alpha

All regions

 No effect

[77, 105]

 

Frontal/prefrontal

 Reduced

[80]

 

Frontal

 Enhanced

[106]

 

Parietal

 Enhanced

[106]

 

Central

 Enhanced

[106]

 

Temporal

 Reduced

[80]

Beta

All regions

 No effect

[80]

 

All regions

 Reduced

[77]

Gamma

Midline/central and parietal

 Enhanced

[79]

  

Relative power

 

Delta

All regions

 Enhanced

[72]

 

Frontal

 Reduced

[77]

 

Central/parietal

 Enhanced

[73]

Theta

Frontal/prefrontal

 Enhanced

[76]

 

Right posterior

 Enhanced

[77]

Alpha

All regions

 Reduced

[72, 73]

 

All regions

 No effect

[77]

 

Frontal/prefrontal

 Reduced

[76]

 

Occipital/parietal

 Reduced

[76]

Beta

Occipital/parietal

 Enhanced

[76]

  

Coherence

 

Delta

Short/long intrahemispheric

 Reduced

[77]

 

Lateral-frontal intrahemispheric

 Enhanced

[118]

 

Middle frontal

 Reduced

[118]

 

Occipital

 Reduced

[118]

 

Frontal

 Reduced interhemispheric

[77]

 

Temporal

 Reduced interhemispheric

[77]

 

Central/parietal/occipital

 Reduced interhemispheric

[77]

Theta

Short/long intrahemispheric

 Reduced

[77, 119]

 

Short/long intrahemispheric

 Enhanced

[76]

 

Frontal

 Reduced interhemispheric

[77]

 

Temporal

 Reduced interhemispheric

[77]

 

Central/parietal/occipital

 Reduced interhemispheric

[77]

Alpha

Frontal

 Reduced

[76]

 

Between frontal and all other regions

 Reduced

[76]

 

Temporal

 Reduced interhemispheric

[77]

Short/long intrahemispheric

 Reduced

[119]

Beta

Central/parietal/occipital

 Reduced interhemispheric

[77] ,

Frontal-temporal

 Reduced

[119]

Short/long intrahemispheric

 Reduced

[119]

  

Hemispheric asymmetry

 

Delta

Frontal

 Reduced power in left hemisphere

[80]

 

Frontal

 Enhanced power in left compared with right hemisphere

[74]

 

Temporal

 Reduced power in left hemisphere

[80]

 

Temporal

 Enhanced power in left compared with right hemisphere

[74]

 

Parietal

 Enhanced power in left compared with right hemisphere

[74]

 

Posterior-temporal

 Enhanced power in left compared with right hemisphere

[72]

 

Central

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 No difference between left and right hemispheres

[105]

Theta

Frontal

 Reduced power in left hemisphere

[80]

 

Frontal

 Enhanced power in left compared with right hemisphere

[74, 78]

 

Temporal

 Reduced power in left hemisphere

[80

 

Temporal

 Enhanced power in left compared with right hemisphere

[74]

 

Parietal

 Enhanced power in left compared with right hemisphere

[74]

 

Right posterior

 Enhanced power in right hemisphere

[77]

 

Posterior-temporal

 Enhanced power in left compared with right hemisphere

[72]

 

Central

 Enhanced power in left compared with right hemisphere

[72, 74]

 

Occipital

 Enhanced power in left compared with right hemisphere

[72,[74]

 

Occipital

 No difference between left and right hemispheres

[105]

Alpha

Frontal

 Reduced power in left hemisphere

[80]

 

Mid-frontal

 Enhanced power in left compared with right hemisphere

[106, 107]

 

Temporal

 Reduced power in left hemisphere

[80]

 

Temporal

 Enhanced power in left compared with right hemisphere

[74]

 

Parietal

 Enhanced power in left compared with right hemisphere

[74]

 

Posterior-temporal

 Enhanced power in left compared with right hemisphere

[72]

 

Central

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 No difference between left and right hemispheres

[105]

Beta

Posterior-temporal

 Enhanced power in left compared with right hemisphere

[72]

 

Central

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 Enhanced power in left compared with right hemisphere

[72]

 

Occipital

 No difference between left and right hemispheres

[105]

Mu

Central

 No difference between left and right hemispheres

[74]