Neurofeedback project for ADHD

1
Neurofeedback project for ADHD

• - Hyperactivity, impulsivity
• Attention disorders
• Sensory integration and motor planning deficits
• Touch sensitivity
• Tic disorders
• Depression, anxiety
• Sleep disorders

2
NO
Recording
Electrodes
Time (ms)
3
YES
Recording
Electrodes
Time (ms)
4
ADHD frontal activation
fMRI study
Inhibitory control in children with
attention-deficit/hyperactivity disorder
event-related potentials identify the processing
component and timing of an impaired right-frontal
response-inhibition mechanism.  Biological
Psychiatry, Volume 48, Issue 3, Pages 238-246. S.
Pliszka et al.
5
Concentration task frontal activation at Theta
A long-range cortical network emerging with theta
oscillation in a mental task. Neuroreport.
15(8)1233-1238, June 7, 2004.Mizuhara, Hiroaki
Wang, Li-Qun Kobayashi, Koichiro Yamaguchi, Yoko
6
Theta
7
(No Transcript)
8
Experimenter screen
Subject screen
3-8Hz
8-11Hz
15-20Hz
9

• Record pre-liminary data
• Increase power
• at some scalp sites

Feedbac

• Task
• Increase power of
• independent component

Feedbac
Import in BCI 2000

• Matlab
• import data
• select components
• export component weights

ICA weights
10
Neurofeedback project for ADHD

• - Hyperactivity, impulsivity
• Attention disorders
• Sensory integration and motor planning deficits
• Touch sensitivity
• Tic disorders
• Depression, anxiety
• Sleep disorders

11
ADHD frontal activation
ERP study
fMRI study
Inhibitory control in children with
attention-deficit/hyperactivity disorder
event-related potentials identify the processing
component and timing of an impaired right-frontal
response-inhibition mechanism.  Biological
Psychiatry, Volume 48, Issue 3, Pages 238-246. S.
Pliszka et al.
12
Example of components
Alpha up-regulation
Frontal theta down-regulation
13
YES
SVM

• Brain dynamics
• brain source activity
• coherence

Electrodes
Time (ms)