COMPUTER-IMPLEMENTED INTERACTIVE BEHAVIORAL TRAINING TECHNIQUE FOR THE OPTIMIZATION OF ATTENTION OR REMEDIATION OF DISORDERS OF ATTENTION

• US 20120077160A1
• Filed: 06/27/2011
• Published: 03/29/2012
• Est. Priority Date: 06/25/2010
• Status: Abandoned Application

• Current Assignee: US Department of Veterans Affairs (Government of the United States of America)
• Original Assignee: US Department of Veterans Affairs (Government of the United States of America)
• Inventors: DeGutis, Joseph, Van Vleet, Thomas
• Application Number:
  US13/068,850
• Publication Number:
  US 20120077160A1
• Time in Patent Office: Days
• US Class Current: 434/236
• CPC Class Codes: G09B 7/02 of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student

Abstract

The current invention provides methods of enhancing a subject'"'"'s attentional state. The methods comprise a series of interactive behavioral assessments and interactive behavioral training sessions, which trains the individual to be in a more optimal attentional state throughout their day-to-day life, ultimately enhancing their cognitive performance, visuomotor performance, and emotion regulation.

Claims

1. An interactive behavioral training session comprising task parameters, the session comprising:

a) presenting to a participant a continuous sequence of stimuli groups at a specific time duration, wherein the stimuli groups comprise at least one target event or foil event at a specific time duration,

wherein the stimuli groups are separated in time by a variable inter-stimulus interval (ISI); and

b) requiring the participant to provide a response comprising an input upon sensing the at least one target event or foil event;

wherein the interactive behavorial training session is of sufficient intensity to create an enduring behavioral change in modulatory functions of attention and to achieve an enhanced attentional state in the participant;

c) assessing the participant'"'"'s attentional state prior to administering the interactive behavioral training regimen to ascertain the participant'"'"'s pre-training attentional state index and/or assessing the participant'"'"'s attentional state during the interactive behavioral training regimen to ascertain the participant'"'"'s mid-training attentional state index;

d) optionally adjusting the interactive behavioral training session task parameters, selected from the group consisting of the variable inter-stimulus interval (ISI), target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation based on said determining, wherein said adjusting the duration, target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation is performed using an adaptive procedure;

wherein the adjustment to the task parameters is based on the pre-training and/or mid-training attentional state index;

wherein the adjustment to the task parameters is based on the assessment in step c); and

e) optionally repeating steps a-d one or more times in an iterative manner to improve the attentional state of the participant.

2. The interactive behavioral training of claim 1 wherein the task parameters comprise stimulus discrimination, stimulus discrimination difficulty, duration of stimulus presentation, complexity/difficulty of the response rule, complexity/difficulty of discrimination task, stimulus novelty, presence of spatial distracters of similar or dissimilar foils, target frequency versus foil frequency, and location or type of stimulus, correspondence frequency, and target/foil confusability.

15. A method for diagnosing the presence or severity of an attention state dysfunction in a participant, the method comprising:

1) assessing the participant'"'"'s attentional state prior to administering the interactive behavioral training regimen to ascertain the participant'"'"'s pre-training attentional state index;

wherein the assessing is performed by;

a) a repeated behavorial assessment battery;

b) the interactive behavioral training session of claim 1;

c) physiological and/or realworld assessments or mixtures thereof;

or

d) mixtures of a, b and c.

2) administering to the participant an interactive behavioral training regimen comprising at least one interactive behavioral training session comprising task parameters, the training session comprising;

a) presenting to a participant a continuous sequence of stimuli groups at a specific time duration, wherein the stimuli groups comprise at least one target event or foil event at a specific time duration, wherein the stimuli groups are separated in time by a variable inter-stimulus interval (ISI); and

b) requiring the participant to provide a response comprising an input upon sensing the at least one target event or foil event;

wherein the interactive behavioral training program is of sufficient intensity capable of creating an enduring behavioral change in modulatory functions of attention and achieve an enhanced attentional state in a participant without an attention dysfunction;

3) reassessing the participant'"'"'s attentional state during or after the completion of the interactive behavioral training regimen and/or during or after the at least one interactive training session to obtain a mid- or post-training attentional state index for the participant;

4) comparing the participant'"'"'s pre-attentional state index with the particpant'"'"'s mid- and/or post-attentional state index and optionally comparing the paticipant'"'"'s mid- and/or post-attentional state index with a predetermined benchmark; and

5) determining the presence or severity of the attentional state dysfunction in the participant based on the comparison in step 4.

17. The attentional state enhancement interactive behavioral training system of claim 15, further comprising;

d) a means for assessing the participant'"'"'s response; and

e) a means for altering the task parameters based on the participant'"'"'s response.

3. A method for enhancing the attentional state of a participant comprising at least one interactive behavioral training session comprising task parameters, the method comprising:

a) presenting to a participant a continuous sequence of stimuli groups at a specific time duration, wherein the stimuli groups comprise at least one target event or foil event at a specific time duration,

wherein the stimuli groups are separated in time by a variable inter-stimulus interval (ISI); and

b) requiring the participant to provide a response comprising an input upon sensing the at least one target event or foil event;

wherein the interactive behavorial training program is of sufficient intensity to create an enduring behavioral change in modulatory functions of attention and to achieve an enhanced attentional state in the participant.

4. The method of claim 3 wherein the task parameters comprise stimulus discrimination, stimulus discrimination difficulty, duration of stimulus presentation, complexity/difficulty of the response rule, complexity/difficulty of discrimination task, stimulus novelty, presence of spatial distracters of similar or dissimilar foils, target frequency versus foil frequency, and location or type of stimulus, correspondence frequency, and target/foil confusability.

5. The method of claim 3 wherein the response is selected from the group consisting of:

a) providing a first input upon sensing all foil events and withholding the first input upon sensing the target events;

b) providing a first input upon sensing all foil events and providing a second input upon sensing a target event, wherein the first and second inputs are different;

c) providing a first input upon sensing only target events and withholding the first input upon sensing a foil;

or

d) mixtures of a, b and c.

6. The method of claim 3 wherein the stimuli group comprises more than one target event and/or foil event or mixtures thereof, and optionally wherein the more than one target and/or foil event or mixtures thereof are separated in time by a variable inter-event interval (IVI) time.

7. The method of claim 3 further comprising assessing the participant'"'"'s attentional state prior to administering the interactive behavioral training regimen to ascertain the participant'"'"'s pre-training attentional state index;

wherein the assessing is performed by;

a) a repeated behavorial assessment battery;

b) the interactive behavioral training session of claim 4;

c) physiological and/or real-world assessments or mixtures thereof;

or

d) mixtures of a, b and c.

8. The method of claim 7 further comprising reassessing the participant'"'"'s attentional state during the interactive behavioral training regimen and/or during the at least one interactive training session to obtain a mid-training attentional state index.

9. The method of claim 8 further comprising adjusting the interactive training session and/or interactive behavioral training regimen based on the person'"'"'s mid-attentional state index.

10. The method of claim 9 further comprising reassessing the participant'"'"'s attentional state after the completion of the interactive behavioral training regimen and/or after the at least one interactive training session to obtain a post-training attentional state index for the participant.

11. The method of claim 10 wherein the assessing of the participant'"'"'s pre- mid- or post-training attentional state comprises measuring the reaction time variability, accuracy, reaction time, or decrement associated with the response or mixtures thereof.

12. The method of claim 11 wherein the adjusting the interactive behavioral training session comprises altering one or more task parameters based on the participant'"'"'s pre-, mid- or post training attentional state index.

13. The method of claim 12 wherein the adjusting the interactive training session comprises altering the variable inter-stimulus interval (ISI), and/or altering additional task parameters.

14. The method of claim 3 wherein the modulatory functions of attention include an alteration of norepinephrine and dopamine levels to a more balanced state;

increased alterness, increased focus and freedom from distraction;

increased behavorial control, greater short-term memory capacity, improved decision making ability, enhanced learning ability, increased capacity to regulate one'"'"'s emotional responses, enhanced spatial attention and improved motor control, memory retention, the ability to learn in a faster and more efficient manner, optimized function in modulatory neurotransmitters including serotonin, norepinephrine, dopamine and acetylcholine;

improved ability to respond to stimuli without a significant decrease in performance over time;

appropriate release of modulatory neurotransmitters associated with at least one of remediating attentional state and the clinical symptoms of poor attentional state;

achieving a more calm state;

or a greater regulation of the sleep/waking cycle.

27. A non-transitory computer readable storage medium storing a computer program product which, when executed by at least one processor, causes the processor to perform the method of claim 3.

16. An attentional state enhancement interactive behavioral training system comprising task parameters;

the system comprising

a) a means for presenting to a participant a continuous sequence of stimuli groups at a specific duration separated by a variable inter-stimulus interval (ISI);

wherein the sequence of stimuli groups contains both target stimuli and foil stimuli;

b) a means for receiving a response from the participant reacting to the stimuli;

c) a means for recording the participant'"'"'s response, wherein the response comprises response withholding response or a response switching response;

wherein the task parameters comprise variable inter-stimulus interval (ISI) and further comprise factors selected from the group consisting of stimulus discrimination, duration of stimulus presentation, complexity/difficulty of discrimination task, stimulus novelty, presence of spatial distracters of similar or dissimilar foils, target frequency versus foil frequency, and location or type of stimulus.

22. The attentional state enhancement interactive behavioral training system of claim 16 wherein the means for presenting to a person a continuous sequence of stimuli groups;

the means for receiving a response from the participant; and

the means for recording the participant'"'"'s response are performed using a computer, a LAN, a WAN or the Internet.

25. A computer-implemented method for enhancing the attentional state of a participant, the method comprising the system of claim 16.

18. A computer-implemented interactive behavioral training system comprising:

a) a central processing unit;

b) a memory, coupled to the central processing unit, the memory storing a computer program mechanism, the computer program mechanism comprising a data repository comprising;

1) a stimuli presenting module configured to provide a continuous sequence of stimuli groups at a specific duration for presentation to the subject;

2) a variable inter-stimulus interval (ISI) module configured to vary the interval between the presentation of the stimuli groups; and

3) a response time variability module configured to measure the variability in a participant'"'"'s response time; and

4) a recording module configured to record participant responses;

5) optionally a module or modules configured to measure mean response time;

to measure commission accuracy;

to measure response time;

to measure vigilance decrement;

to measure accuracy for target or foil avoidance;

to measure target accuracy amongst distracters and/or to measure omission accuracy; and

6) optionally a module or modules configured to alter a training session by altering one or more task parameters selected from the group consisting of altering stimulus discrimination;

altering the stimulus;

altering ISI duration;

altering rule complexity;

altering the variance of inter-stimulus interval;

altering stimuli novelty;

altering spatial distracters;

altering similar or dis-similar foils and altering frequency of targets presented versus non-targets.

19. The system of claim 18 further comprising an assessment module for assessing participant responses.

20. The system of claim 19 further comprising module for altering the task parameters based on the assessment of the participant'"'"'s responses.

21. A computer accessible memory medium for carrying out an interactive behavioral training session to enhance the attentional state in a participant, the medium comprising program instructions utilizing a computing device to:

a) provide a set of stimuli groups for presentation to the participant, wherein each stimulus group is presented for a specified duration, and wherein the stimulus group in the continuous sequence of stimulus groups are separated by a specified variability in inter-stimulus-interval (ISI);

b) record a response from the participant for each stimulus group;

c) assess the response from the participant;

d) adjust the duration ISI variability based on the assessment in step c,

e) optionally adjusting at least one additional interactive behavioral training session task parameters selected from the group consisting of target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation based on said determining, wherein said adjusting the duration, target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation is performed using an adaptive procedure;

wherein the adjustment is based on the assessment in step c; and

f) optionally repeating steps a-e one or more times in an iterative manner to improve the attentional state of the person;

wherein the program instructions are executable by a processor.

23. A method for implementing an interactive behavioral training session for enhancing a participant'"'"'s attentional state by delivering computer readable instructions, the method comprising:

a) transmitting, over a signal transmission medium, signals representative of a set of stimuli groups for presentation to the participant, wherein each stimulus group is presented for a specified duration, and wherein the stimulus group in the continuous sequence of stimulus groups are separated by a specified variability in inter-stimulus-interval (ISI);

b) receiving, from a signal transmission medium, signals representative of the participant'"'"'s response to the stimuli groups, and recording the responses to the stimuli groups;

c) assessing the response from the participant and adjusting the duration ISI variability based on the response; and

d) transmitting, over a signal transmission medium, signals representative of a set of stimuli groups for presentation to the participant, wherein the stimulus group in the continuous sequence of stimulus groups are separated by an altered specified variable inter-stimulus-interval (IS!) from c.

24. A computer system for enhancing the attentional state in a participant comprising:

one or more processors configured to execute program instructions; and

a computer-readable medium containing executable instructions that, when executed by the one or more processors, cause the computer system to perform a method for enhancing the attentional state in the participant, the method comprising;

a) presenting to a participant a continuous sequence of stimuli groups at a specific time duration, wherein the stimuli groups comprise at least one target event or foil event at a specific time duration,

wherein the stimuli groups are separated in time by a variable inter-stimulus interval (ISI); and

b) requiring the participant to provide a response comprising an input upon sensing the at least one target event and/or foil event;

wherein the interactive behavorial training program is of sufficient intensity to create an enduring behavioral change in modulatory functions of attention and to achieve an enhanced attentional state in the participant; and

c) optionally assessing the participant'"'"'s attentional state prior to administering the interactive behavioral training regimen to ascertain the participant'"'"'s pre-training attentional state index and/or assessing the participant'"'"'s attentional state during the interactive behavioral training regimen to ascertain the participant'"'"'s mid-training attentional state index;

d) optionally adjusting the interactive behavioral training session task parameters selected from the group consisting of the variable inter-stimulus interval (ISI), target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation based on said determining, wherein said adjusting the duration, target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation is performed using an adaptive procedure;

wherein the adjustment to the task parameters is based on the pre-training and/or mid-training attentional state index;

wherein the adjustment to the task parameters is based on the assessment in step c); and

e) optionally repeating steps a-d one or more times in an iterative manner to improve the attentional state of the participant.

26. A computer program product, comprising a tangible computer readable medium comprising executable instructions for effecting the following steps:

a) presenting to a participant a continuous sequence of stimuli groups at a specific time duration, wherein the stimuli groups comprise at least one target event or foil event at a specific time duration,

wherein the stimuli groups are separated in time by a variable inter-stimulus interval (ISI); and

b) requiring the participant to provide a response comprising an input upon sensing the at least one target event or foil event;

wherein the interactive behavorial training session is of sufficient intensity to create an enduring behavioral change in modulatory functions of attention and to achieve an enhanced attentional state in the participant,

c) assessing the participant'"'"'s attentional state prior to administering the interactive behavioral training regimen to ascertain the participant'"'"'s pre-training attentional state index and/or assessing the participant'"'"'s attentional state during the interactive behavioral training regimen to ascertain the participant'"'"'s mid-training attentional state index;

d) optionally adjusting the interactive behavioral training session task parameters, selected from the group consisting of the variable inter-stimulus interval (ISI), target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation based on said determining, wherein said adjusting the duration, target frequency, presence/absence of distractors, similarity between target and foil and/or spatial location of presentation is performed using an adaptive procedure;

wherein the adjustment to the task parameters is based on the pre-training and/or mid-training attentional state index;

wherein the adjustment to the task parameters is based on the assessment in step c); and

e) optionally repeating steps a-d one or more times in an iterative manner to improve the attentional state of the participant.