Abstract 

 

Participants were 61 children with ADHD and 60 healthy controls (boys and girls, ages 7-12). The ADHD children were diagnosed by an experienced psychiatrist to DSM-IV criteria, and have taken Ritalin for up to 6 months. None of the children in the control group had a history of psychiatric disorders, epilepsy, or any report of high-risk behaviors.

 

EEG recording was performed based on 10-20 standard by 19 channels (Fz, Cz, Pz, C3, T3, C4, T4, Fp1, Fp2, F3, F4, F7, F8, P3, P4, T5, T6, O1, O2) at 128 Hz sampling frequency. The A1 and A2 electrodes were the references located on earlobes. 

Since one of the deficits in ADHD children is visual attention, the EEG recording protocol was based on visual attention tasks. In the task, a set of pictures of cartoon characters was shown to the children and they were asked to count the characters. The number of characters in each image was randomly selected between 5 and 16, and the size of the pictures was large enough to be easily visible and countable by children. To have a continuous stimulus during the signal recording, each image was displayed immediately and uninterrupted after the child’s response. Thus, the duration of EEG recording throughout this cognitive visual task was dependent on the child’s performance (i.e. response speed).

 If there are any questions, please contact nasrabadi@shahed.ac.ir

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Instructions: 

 

Extract the Zip files. Load the ".mat" data into MATLAB.

 

If you want to import the electrode location into EEGLAB, please use the attached".ced" file.

 

 

 

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Comments

thanks a lot, the dataset is precious thing to me.

Submitted by hasan babaie on Thu, 08/13/2020 - 13:47

You are welcome

Submitted by Ali Motie Nasrabadi on Thu, 03/04/2021 - 13:28

really precious to me specially in this pandemic situation.
Thank You

Submitted by swapnali chaudhari on Sun, 07/04/2021 - 07:12

In the description of the dataset it is written: "The eye movement was recorded by two electrodes that were placed below and above the right eye.", but there is no EOG in the download file.
Are the EEG shared clean and without artifact (eye, etc.)?

Submitted by Riccardo Asnaghi on Thu, 10/08/2020 - 03:36

It is corrected in description
Raw EEG signal is published

Submitted by Ali Motie Nasrabadi on Thu, 03/04/2021 - 13:29

Thanks a lot.

Submitted by Radwa Rady on Thu, 10/22/2020 - 10:14

is this database only of people with adhd under treatment? Thanks

Submitted by Miguel Rueda Diaz on Thu, 10/29/2020 - 22:59

Yes of course

Submitted by Ali Motie Nasrabadi on Thu, 03/04/2021 - 13:30

Excuse me, which brand of EEG equipment was used to get the EEG signals ?

Submitted by Kenneth Rodrigu... on Wed, 03/10/2021 - 11:02

It was Chinese brand and I have not remembered the brand name

Submitted by Ali Motie Nasrabadi on Sun, 05/30/2021 - 01:37

Thank you for uploading your dataset.

Submitted by Saurav Bharadwaj on Sun, 04/11/2021 - 15:25

Thanks for sharing such a complete database. Can you kindly share the number of incorrect answers by each subject too?

Submitted by Ali Kareem on Fri, 04/16/2021 - 01:16

Sorry it is inaccessible

Submitted by Ali Motie Nasrabadi on Sun, 05/30/2021 - 01:29

Q

Submitted by Ali Motie Nasrabadi on Sun, 05/30/2021 - 01:30

Is there any difference between part 1 and part for both groups of normal control and ADHD? Does it mean that two parts of EEG data recorded in running different tasks (such as visual attention and mental activity)?

Submitted by Jia-Rong Yeh on Mon, 04/19/2021 - 21:20

I hope it is game operated by key and brain operated game responses.
Owner please confirm.

Submitted by swapnali chaudhari on Sun, 07/04/2021 - 07:15

Please confirm

Submitted by swapnali chaudhari on Wed, 09/29/2021 - 14:02

Thanks for sharing such a complete database. can you provide name of brand of EEG equipment was used to get the EEG signals ?

Submitted by vandana joshi on Tue, 04/20/2021 - 03:21

Thanks for sharing. Is there any tag or mark in the data to know when the child's responses occured during the experiment?

Submitted by Juan Andres Rod... on Sun, 05/09/2021 - 12:48

Sorry it is inaccessible
We want to engage subject mental to the task and the response was not imporatant

Submitted by Ali Motie Nasrabadi on Sun, 05/30/2021 - 01:28

Do the rows count time or blinks of an eye? and if it is time, is it measured in ms? thank you in advance

Submitted by Paraskevi Tsakmaki on Tue, 06/22/2021 - 02:26

Hi Ali, first of all I want to thank you deeply for sharing your database. I'm currently working on my Phd and this database is very useful for me.
Now I have a question, in the description of this page you wrote that the sampling frequency is 128Hz but in the paper "
EEG Classification of ADHD and Normal Children Using Non-linear Features and Neural Network" you wrote that the sampling frequency is 256Hz.
What is the sampling frequency of the data posted here?
Thanks in advance.

Best regards,
Javier Sanchis

Submitted by FRANCISCO SANCHIS on Wed, 07/07/2021 - 11:31

Hi
Sampling Frequency for this data is 128 Hz

Submitted by Ali Motie Nasrabadi on Tue, 09/07/2021 - 08:01

I will be very thankful if anyone can provide me this dataset in csv format. As I want to use it in python. I've tried alot to reach dataset related to ADHD and finally reached here. Please anyone??

Submitted by Tahreem Fatima on Sun, 07/25/2021 - 10:52

You could try working with scipy.io to load them, following code works for me:

import scipy.io
mat = scipy.io.loadmat('ADHD_part1/v14p.mat')
# print the keys of the dictionary to get further information on what's stored on mat variable
print(mat.keys())

Submitted by Brisa Rojas Silva on Thu, 12/08/2022 - 19:18

Sorry, I don't have this version.

Submitted by Ali Motie Nasrabadi on Tue, 09/07/2021 - 08:05

thank you for this great Data set. if any one have a approach to open this data in python , please share it. thanks

Submitted by hamid jahani on Fri, 09/10/2021 - 12:20

Hi
May I know if there is some portion related to resting state EEG (Eyes close or Eyes open) in the beginning of each recording or its started directly from the task?

Thank You

Submitted by DANISH KHAN on Sun, 09/26/2021 - 04:03

Hi
The released data was started in the beginning of the task

Submitted by Ali Motie Nasrabadi on Sat, 10/02/2021 - 12:10

The dataset was really useful for my research.
The channel number and its corresponding labels is provided, like Channel number 1 -> FP1.
In the dataset, I considered the first column as FP1, 2nd column as FP2 values and so on.
Is that right or is that in the order of 19 channels Fz, Cz, Pz, C3, T3, C4, T4, Fp1, Fp2, F3, F4, F7, F8, P3, P4, T5, T6, O1, O2?
kindly clarify.

Submitted by K Lakshmi Kalpa... on Sat, 11/27/2021 - 04:22

What is difference between part1 and part2 ....

Submitted by swapnali chaudhari on Wed, 02/02/2022 - 08:31

Thank you so much for providing the dataset which is going to be very helpful for my research.
Can you please tell what is in standard file and how to open .ced file

Submitted by Usha K on Wed, 02/16/2022 - 23:41

Thank you for sharing the data :)
Is the trigger information available? I would like to know when you show the images and when the subject reponds during the task...

Submitted by Julio Rodriguez... on Wed, 11/02/2022 - 11:01

What is the amplitude of ths signals? uV?

Submitted by Hisham AL Ustwani on Sat, 03/11/2023 - 05:43

Do you have preprocessed data？ Or do you have EEG mark？

Submitted by Yizhou Li on Mon, 07/03/2023 - 01:11

Hi Yizhou,
I also got confused about whether the data was pre-processed or not. Did you manage to get the preprocessed data?

Submitted by Naji Naser on Sat, 08/31/2024 - 08:51

access to dataset please and how many subjects for this data !?

Submitted by Baccouch Rawia on Fri, 07/21/2023 - 15:26

May I kindly inquire whether the researchers have utilized clinical assessment scales, such as Wanson, Nolan, and Pelham-IV, in their evaluation of the subjects in this dataset? If so, I would greatly appreciate it if there is a possibility to request access to these assessments

Submitted by Yexian Zeng on Wed, 10/11/2023 - 02:39

Do the children with ADHD in this dataset vary in severity, or are they all collectively considered mild, moderate, or severe cases?

Submitted by Jenna Wesely on Tue, 09/17/2024 - 14:11

what is the sampling frequency

Submitted by KAILAASH RM on Tue, 10/15/2024 - 06:12

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