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                            Funding & Awards
 The Neuroscience of Evidentiary Rules: The Case of the Present Sense Impression
Note:
              This awardee has received supplemental funding. This award detail page includes information about both the original award and supplemental awards.
Award Information
Awardee
              VANDERBILT UNIVERSITY, THE
Award #
              2017-IJ-CX-0007
Funding Category
              Competitive Discretionary
Location
                    NASHVILLE, TN
Congressional District
              5
Status
              Closed
Funding First Awarded
              2017
Total funding (to date)
              $149,512
Original Solicitation
              NIJ FY17 Graduate Research Fellowship Program in Science, Technology, Engineering and Mathematics
Description of original award (Fiscal Year 2017, $49,898)
This study will employ neuroscientific measurements of brain activity to help formulate evidentiary rules that better reflect the realities of human cognition.
The current rules are premised on untested psychological assumptions. This research will test the assumptions underlying a provision of the Federal Rules of Evidence (FRE): the Present Sense Impression (PSI), codified as FRE 803(1) and adopted in 80% of states. The PSI is one of the exceptions to the ban against hearsay that have been adopted because it is believed that in specific circumstances, the risks of deceit and errors in memory and perception associated with hearsay are lessened. This belief, however, is premised on folk psychological assumptions that have never been tested.
This grant will test two of these foundational assumptions: (1) contemporaneity safeguards against deceit; and (2) listeners can better detect lies about contemporaneous than past events. Even when accepting these as true, courts have struggled to define the temporal limits of contemporaneity.
The researcher will use a combination of behavioral and electrical brain activity (the electroencephalogram or EEG) measures to assess these assumptions. Experiment 1 uses EEG recordings and a behavioral deceit paradigm to test two major hypotheses about the relationship between time and deceitful practices. First, distinct cognitive processes underlie lies about contemporaneous events, lies about past events, and truthful responses.
Second, at some time point, as the event and the telling of the lie become increasingly temporally divorced, the cognitive processes employed switch between those involved in contemporaneous and past event lies. This provides insight into when contemporaneity, if it exists, begins and ends.
Experiment 2 uses a behavioral paradigm to test the difficulty of spontaneously lying compared to reciting a premeditated lie or responding truthfully. Participants will narrate videos and be prompted to be truthful, recite a pre-instructed lie, or generate a spontaneous lie about specific aspects, such as changes in the actor or action. Frequency and success rate will be compared across conditions.
Experiment 3 assesses whether third-party listeners are better able to detect contemporaneous lies compared to past-event lies. Experiment 2 recordings will be played to listeners who will rate the responses as truthful or deceitful, and detection rates will be compared across conditions. Thus, the three experiments in this project will test each of the tenets that the PSI exception is built on.
By empirically testing the assumptions underlying the FRE, neuroscience can facilitate evidentiary rules that better reflect human cognition.
ca/ncf
Supplemental Award 1 (Fiscal Year 2018, $49,616)
This study will employ neuroscientific measurements of brain activity to help formulate evidentiary rules that better reflect the realities of human cognition.
The current rules are premised on untested psychological assumptions. This research will test the assumptions underlying a provision of the Federal Rules of Evidence (FRE): the Present Sense Impression (PSI), codified as FRE 803(1) and adopted in 80% of states. The PSI is one of the exceptions to the ban against hearsay that have been adopted because it is believed that in specific circumstances, the risks of deceit and errors in memory and perception associated with hearsay are lessened. This belief, however, is premised on folk psychological assumptions that have never been tested.
This grant will test two of these foundational assumptions: (1) contemporaneity safeguards against deceit; and (2) listeners can better detect lies about contemporaneous than past events. Even when accepting these as true, courts have struggled to define the temporal limits of contemporaneity.
The researcher will use a combination of behavioral and electrical brain activity (the electroencephalogram or EEG) measures to assess these assumptions. Experiment 1 uses EEG recordings and a behavioral deceit paradigm to test two major hypotheses about the relationship between time and deceitful practices. First, distinct cognitive processes underlie lies about contemporaneous events, lies about past events, and truthful responses.
Second, at some time point, as the event and the telling of the lie become increasingly temporally divorced, the cognitive processes employed switch between those involved in contemporaneous and past event lies. This provides insight into when contemporaneity, if it exists, begins and ends.
Experiment 2 uses a behavioral paradigm to test the difficulty of spontaneously lying compared to reciting a premeditated lie or responding truthfully. Participants will narrate videos and be prompted to be truthful, recite a pre-instructed lie, or generate a spontaneous lie about specific aspects, such as changes in the actor or action. Frequency and success rate will be compared across conditions.
Experiment 3 assesses whether third-party listeners are better able to detect contemporaneous lies compared to past-event lies. Experiment 2 recordings will be played to listeners who will rate the responses as truthful or deceitful, and detection rates will be compared across conditions. Thus, the three experiments in this project will test each of the tenets that the PSI exception is built on.
By empirically testing the assumptions underlying the FRE, neuroscience can facilitate evidentiary rules that better reflect human cognition.
ca/ncf
    Supplemental Award 2 (Fiscal Year 2019, $49,998)
This study will employ neuroscientific measurements of brain activity to help formulate evidentiary rules that better reflect the realities of human cognition. 

The current rules are premised on untested psychological assumptions. This research will test the assumptions underlying a provision of the Federal Rules of Evidence (FRE): the Present Sense Impression (PSI), codified as FRE 803(1) and adopted in 80% of states. The PSI is one of the exceptions to the ban against hearsay that have been adopted because it is believed that in specific circumstances, the risks of deceit and errors in memory and perception associated with hearsay are lessened. This belief, however, is premised on folk psychological assumptions that have never been tested. 

This grant will test two of these foundational assumptions: (1) contemporaneity safeguards against deceit; and (2) listeners can better detect lies about contemporaneous than past events. Even when accepting these as true, courts have struggled to define the temporal limits of contemporaneity.

The researcher will use a combination of behavioral and electrical brain activity (the electroencephalogram or EEG) measures to assess these assumptions. Experiment 1 uses EEG recordings and a behavioral deceit paradigm to test two major hypotheses about the relationship between time and deceitful practices. First, distinct cognitive processes underlie lies about contemporaneous events, lies about past events, and truthful responses. 

Second, at some time point, as the event and the telling of the lie become increasingly temporally divorced, the cognitive processes employed switch between those involved in contemporaneous and past event lies. This provides insight into when contemporaneity, if it exists, begins and ends.

Experiment 2 uses a behavioral paradigm to test the difficulty of spontaneously lying compared to reciting a premeditated lie or responding truthfully. Participants will narrate videos and be prompted to be truthful, recite a pre-instructed lie, or generate a spontaneous lie about specific aspects, such as changes in the actor or action. Frequency and success rate will be compared across conditions.

Experiment 3 assesses whether third-party listeners are better able to detect contemporaneous lies compared to past-event lies. Experiment 2 recordings will be played to listeners who will rate the responses as truthful or deceitful, and detection rates will be compared across conditions. Thus, the three experiments in this project will test each of the tenets that the PSI exception is built on. 

By empirically testing the assumptions underlying the FRE, neuroscience can facilitate evidentiary rules that better reflect human cognition.

ca/ncf


  
Grant-Funded Publications
        
                      Does Lying Require More or Less Visual Working Memory and What Does It Mean for the Legal System?

  
Date Created: September 6, 2017
    
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