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Target Effects Based Requirements Generation
Transcript of Target Effects Based Requirements Generation
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Target Effects Based Requirements Generation
The Role of the ARDEC Target Behavioral Response Laboratory
Ken YagrichARDEC, Picatinny, NJ
(973)[email protected]
J.B. Crabbe, Ph.DStress and Motivated Behavior Institute
NeuroBehavioral Research LaboratoryNew Jersey Health Care System
(973)676-1000, [email protected]
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DEFINING SCALEABLE EFFECTS WEAPONS
TECHNICAL POSSIBLITIES
FROM DEVELOPERS
- R&D Labs
- COTS
ACTUAL TARGET EFFECTS DATA
FROM ARDEC-TBRL
WHAT MUST BE ACCOMPLISHED
FROM THE USERS
-Military Services
-Law Enforcement
ARDEC Target Behavioral Response Laboratory
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UNDERSTANDING HOW PEOPLE RESPOND…UNDERSTANDING HOW PEOPLE RESPOND…
SCIENCESCIENCE TESTINGTESTING APPLICATIONSAPPLICATIONS
ARDEC PRINCIPAL INVESTIGATOR
STRESS AND MOTIVATED BEHAVIORAL INSTITUTE
ACADEMIC AFFILIATIONS
ARDEC BEHAVIORAL RESPONSE FACILITY
NJHCS-EO (VA) MEDICAL CENTER
UNIVERSITY LABS
COMMERICAL FACILITIES
ADVANCED ENERGY SYSTEMS
SCALEABLE EFFECTSNON-LETHAL TO NEAR LETHAL
LETHALITY ENABLERS
FULL RANGE OF SCENARIOSMILITARY TACTICAL
MILITARY FORCE PROTECTION
HOMELAND DEFENSE
CAPABILITIES FOR FUTURE WORKCAPABILITIES FOR FUTURE WORKMULTI-LEVEL FACILITY OR AREA PROTECTION
SYSTEMS
TACTICAL FOG APPLICATIONS FOR MAN-PORTABLE AND NLOS DELIVERY
CAPABILITY FOR STUDY OF CHRONIC STRESS, FATIGUE AND SUSTAINED PERFORMANCE
ARDEC TARGET BEHAVIORAL RESPONSE LABORATORYARDEC TARGET BEHAVIORAL RESPONSE LABORATORY
CURRENT PROGRAMSCURRENT PROGRAMSGRANT TO STUDY SUPPRESSION TECHNIQUES
DEVELOP MATRIX OF POTENTIAL PERSONNEL EFFECTS FROM VARIOUS ENERGY SOURCE PILOT EXPERIMENTS
STUN EFFECTS
OBSCURATION/ LIGHT SOUND
AVERSIVE ACOUSTIC EFFECTS
BLUNT IMPACT MUNITION EFFECTS
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Stress & Motivated Behavior Institute
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SUPPRESSION:The degree of inability to The degree of inability to carry out a task carry out a task effectivelyeffectively because of a physical or psychological response.
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Initial State
OUTCOMEOUTCOME
Suppression: Heuristic
INTERVENTIONINTERVENTION
Simple Effects
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Effects
SensoryPrimary SensesPainPerception
CognitiveConcentrationCommandCommunicationAttention
EmotionMotor Activity
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OutcomesAccumulation of Simple Effects
Accretive• Additive• Multiplicative
Negating
MetricsProportionDegreeLatency
Evaluated with Respect to Task Goal
Drive awayMake remainquiet
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TechnologiesTechnologies → Simple Effects = Outcome
Technologies → ΣΣ Simple Effects = Outcome Outcome
Program Directions
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Critical Needs:Empirical DataExperimental analogs
Specific to different initial states• Problem without bounds?
Individual behaviorCrowd behavior
EthicsHumanAnimal
Setting
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The TBRL Laboratory Team
The Target Behavioral Response Laboratory (TBRL): ARDECARDEC personnel collaboratingcollaborating with scientists and MDsscientists and MDsCollaborations currently established with the VA New Jersey Health Care System-East Orange and other institutionsThe TBRL will provide effects DATADATA to:
Use in development of requirementsSupport effectiveness, modeling, safety and training issuesSupport weapon development, testing and fielding
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Effects: Collaborating Labs
Scientific experiments “fill the gaps” in knowledge of basic effects
No specific relationship to “weapons”Single individuals Environments and manipulations limited to institutional laboratories• VA NJHCS-EO• Affiliated institutions
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Effectiveness: ARDEC Site
Application experiments at ARDEC Addresses OUTCOME of effects through demonstrations and experimentsUp to groups of 20-30 peopleSignificant environments and manipulations possible (within limits of approved protocols)Closer to realistic situationsProtocol approval through the Medical Research and Materiel Command at Ft. Detrick
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Vicon Motion SystemsSmall lightweight markersTracked and recorded in 3D spaceaccurate joint angles are quickly and conveniently reported.
Motion Tracking System
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Physiological Data Collection
ElectrophysiologyElectrocardiogram (ECG)Electroencephelogram(EEG)
RespirationTemperatureSkin ConductanceBlood Pulse Volume (BPV)Blood Pressure
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Current Experiments
Customer ProjectsStun for USMC (predates TBRL formation)Blunt Impact Target Effects for PM-CCS (first TBRL effort)
ARDEC-funded Pilot Projects which were recommended from the initial SMBI studies
Aversive AcousticObscurants w/Light & Sound
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Paintball Marker Array
An array: a horizontal linear mounting of 8 semi-automatic paintball markers, computer controlled:
Synchronous FireRandom FireCued FireSingle or Semi-automatic
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Synthetic Fog:
Deionized water, propylene glycol, and glycerol
Produced by an electro-mechanical unit that contains a heating exchanger
Rate: 30,000 feet3/min
A large room fills in30 sec
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Strategy
Phase Ia - Determine the safety of synthetic fog for extended periodPhase Ib – Determine changes in perception of light and sound in fog Phase Ic - Determine the physics of fog and its interaction with varying levels of light and sound Phase II - Determine psychophysiologicimpact of synthetic fog in combination with light and sound
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TACTICAL FOG- A Non-Toxic obscurant for tactical and training use
Indirect-fire-delivered tactical fog cloud is placed immediately on a group of mixed combatants and non-combatants severely limiting their capability to maneuver and shoot
Man-portable tactical fog cloud is placed into an enclosed spaceon a group of mixed combatants and non-combatants severelylimiting their capability to maneuver and shoot. Individuals are easily separated and put under control.
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Stress and Motivated Behavior Institute New Jersey Medical School
NeuroBehavioral Research Laboratory VA New Jersey Health Care System, East Orange, New Jersey
Stun Effects of FlashStun Effects of Flash--Bang Bang Munitions: After Images on Munitions: After Images on
Saccadic Eye MovementsSaccadic Eye MovementsJ.B. Crabbe, Ph.D. Kevin Beck, Ph.D.
Tara Alvarez, Ph.D.Rick Servatius, Ph.D.
Research supported by the Department of Defense
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Questions
Flash-bang grenades cause momentary stun effects
What energiesWhat energies produced by flashproduced by flash--bang bang grenades cause changes in behavior that grenades cause changes in behavior that could be produce a “stuncould be produce a “stun--like” reaction?like” reaction?
Are there Are there other meansother means of causing similar of causing similar suppression in behavior by changing the suppression in behavior by changing the energy characteristics of the stimuli?energy characteristics of the stimuli?
HowHow does the stun occur?does the stun occur?
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7ft
5ft
Martin Professional:MiniMac Profile(150 W / 1950 lumens)
Light Exposure: No Sound
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Light Flashes: Varying Locations
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Accuracy to hit specific stimulus-classes Accuracy to hit a specific stimulus-type
Video Games
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Performance was diminished by white light flashes:
Latency to shoot when “flashed” with white light was increased more than 50% in 7 / 20 volunteers
Accuracy was reduced in the dynamic class identification task from 38.5% to 20% (4 out of 20)
Outcomes:
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Hypothesis: Visual Tracking Is Disabled by Flash (i.e., WHY?)
Eyes must fixate on a target when aimingIf a light flash changes the timing or speed characteristics of visual tracking movements this will yield information to improve devices that disrupt or stun human performance.
The goal of this line of research is to understand these changes to promote increased delay and/or decreased speed in target acquisition.
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Control: No Flash saccade 15 deg left or right
Saccade Right (pos)Saccade Left (neg)Initial Target
Flash Center saccade 15 deg left or right
Flash Right Visual Field saccade 15 deg left or right
Flash Left Visual Field saccade 15 deg left or right
Experiment:Experiment:Light Effects on Saccade
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Limbus Infrared Eye Movement Monitor
Infrared EmittingDiodes
Photodetectors
Photodetectors
Infrared EmittingDiodes
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Time to ± 1 deg of Target
Right Saccade No Flash Subj:001 Right Saccade Right Flash Subj:001
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Subjective Reports
“Targets Disappeared” when the flash was to the side where target movement occurred Report of “disappearance” of target increased for multi-flash compared to single flash stimuli.One subject S004 who does not show substantial changes stated he plays a lot of “first person shooter” video games that have a “flash bang” device.
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Outcome
White flash(es) affect the amount of time for subjects to acquire target within +/- 1 deg
of stimulus.Stimuli with flashes required
approximately 2 seconds to be within +/- 1 deg of stimulus target where
controls required only 1 second.
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Stress and Motivated Behavior Institute New Jersey Medical School
NeuroBehavioral Research Laboratory VA New Jersey Health Care System, East Orange, New Jersey
Development of Development of Aversive Audible SoundsAversive Audible Sounds
J.B. Crabbe, Ph.D. Bronya Vaschillo, M.D. Evgeny Vaschillo, Ph.D.
Rick Servatius, Ph.D.
Research supported by the Department of Defense
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Main Goal
Develop universally aversive sounds for use as a non-
lethal weapon against terrorists, to disperse a
crowd etc.
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Universally Aversive Sounds
Should be stressful enough to elicit an escape response (terminate the sound).Should elicit an escape response in at least 80 % of exposed people.
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Escape response determines sound aversiveness
Press Button Rate: % of subjects who stopped the soundLatency: Time passed before terminating
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Initial Goals
Understand what features of a sound make it aversive Investigate and characterize behavioral, psychological, and physiological responses to pleasant, unpleasant and aversive soundsInvestigate physical structure of sounds.
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25 Sounds / 2 Sets
Set 1: 16 environmental sounds (pleasant, neutral, and unpleasant).
Set 2: 9 synthetic sounds chosen as the most unpleasant from 362 sounds created in our lab.
All 25 sounds played through headphones at the intensity of 82 dB.
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Examples of Sounds
Dentist Drill Reversed
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Examples of Sounds
Synthetic
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Methods
Sixty-five participants Instructed to listen to the sound for 120 seconds Could terminate the sound at any time for any reason Recorded behavioral, psychological, and physiological responses to define the features of aversive sound
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0
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Recognition Press Rate Latency
Seco
nds
and
%
Synthetic Sounds
Environment Unpleas. Sounds
Synthetic sounds were significantly less recognizable, had significantly higher press button rate and shorter latency than environmental unpleasant sounds.
Results
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Some Initial Conclusions
Sounds with lower recognition had higher aversiveness.Sounds with infrasound components were most aversiveAversive behavior does not necessarily relate to unpleasantness rating
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Next Step
Evaluate aversive sounds in open space.Determine the differences in responses to sounds between headphone and speaker presentation
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Methods
Twenty-two participantsPresented the same 25 sounds at 82 dB viaFour speakers placed around the subject at the same distance and at head level.
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Sound Unpleasantness (Headphones VS. Open Space)
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Synthetic Sounds Environmental Unpleasant Sounds
Subj
ectiv
e R
ate
HeadphonesSpeakers
N. S.
N. S.
Headphones and open space sounds were rated by subjects as equally unpleasant
Results
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Escape Behavior Responses (Headphones VS. Open Space)
0
10
20
30
40
50
60
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Press Button Rate Latency Press Button Rate Latency
Synthetic Sounds Environmental Sounds
Seco
nds
and
%
HeadphonesSpeakers
p<0.001
p<0.0001
p=0.0035p<0.0001
Sounds in open space elicited aversive activity almost twice as much as the same sounds via
headphones
Results
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Conclusions
The same sounds in open space were more aversive than from headphonesMost aversive sound presented in open space, press button rate was 63 %, latency was 25.7 s.The same sound emitted from headphones, press button rate was 40 %, latency was 48.2 s.
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Future Directions
Sound intensity (102 dB)Infrasound (brain waves)Effect on task cognitive and physical performanceEffect on physiological processes, e.g., cardiovascular
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Thank You
Ken YagrichTarget Behavioral Response Laboratory
ARDEC, Picatinny, NJ
(973)724-2109
J.B. Crabbe, Ph.DStress and Motivated Behavior Institute
NeuroBehavioral Research Laboratory
New Jersey Health Care System
(973)676-1000, x1281
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Additional Slides
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RS NF ConLS NF Con
.RSNF
RSRFRSCF
RSLF..
LSNFLSLF
LSCFLSRF
Flash Protocols
0
1
2
3
Tim
e W
hen
+/- 1
Deg
ree
from
Tar
get
All Subjects
Single White Flash Time (sec) when person is within +/- 1 deg of target
N=211 N=229 N=209 N=201 N=183 N=208 N=248 N=205 N=194 N=220
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RS NF ConLS NF Con
.RSNF
RSRFRSCF
RSLF..
LSNFLSLF
LSCFLSRF
Flash Protocols
0
1
2
3
Tim
e W
hen
+/- 1
Deg
ree
from
Tar
get
All Subjects
N=164 N=182 N=168 N=172 N=164 N=175 N=170 N=165 N=140 N=151
Multi White Flash Time (sec) when person is within +/- 1 deg of target