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impact of neuroscience in courtroom
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Tracking the impact of neuroscience in the courtroom

3 October 2016
The role of neuroscientific evidence

This developing science is being used as evidence in arguments about defendants鈥 responsibility and their competence to stand trial.聽

Cases drawing on neuroscientific evidence have doubled in the United States between 2006 and 2009, but less is known about its impact in Australia.聽

American prosecution and defence teams have called on the developing science as evidence in arguments about defendants鈥 responsibility and their competence to stand trial.聽

In civil cases, brain scans are regularly being admitted to test claims of pain and suffering that have until now been difficult to prove. Similar cases are appearing in Australia.聽

In New South Wales, a recent judgment by Supreme Court Justice Monika Schmidt (LLB 鈥79) treated post-traumatic stress disorder (PTSD) as a bodily injury, challenging a longstanding legal distinction between 鈥榤ental disorders鈥 and physical damage, where recovering compensation for purely mental injury has traditionally been heavily circumscribed.聽

Meanwhile, in Victoria, a forthcoming challenge to the legality of poker machines is expected to draw heavily on gambling devices鈥 impact on the hard-wired rewards system in players鈥 brains.聽

To capture and analyse the impact of such cases, the University of Sydney and Macquarie University have pooled their data on 鈥榥eurolaw鈥 in civil and criminal cases to keep track of neuroscience鈥檚 impact in the courtroom.聽

In December 2015, Justice Schmidt launched the Australian Neurolaw Database, a collaboration between the University of Sydney and Macquarie University, where the project began.聽

The database contributes an Australian perspective to international research on the impact of neuroscience on the development of law and on the administration of justice.聽

Hosted by Macquarie University, the database is a publicly available resource comprising a collection of Australian cases involving neuroscience evidence spanning crime, sentencing decisions, tort claims, professional regulation, testamentary capacity, end-of-life decision making and more.聽

鈥淭he emerging field of neurolaw raises so many ethical and legal issues that it is important that we be aware of the direction the courts are moving in.鈥澛

The project has so far collected more than 100 fully coded cases and will be continually updated with contributions from the research team, as well as students and members of the public who can contribute new cases to the site via a wiki feature.聽

The project is compatible with international collections including a US database under development at the MacArthur Foundation Research Network on Law and Neuroscience at Vanderbilt University.聽

Neuroscience research is still in its infancy and the Australian legal community remains skeptical, according to Dr Sascha Callaghan (LLB 鈥99 BEc(SocSc) 鈥95 MBioethics 鈥11 PhD(Medicine) 鈥14).聽

As she explains: 鈥淐riminal sentences have been reduced because of evidence of the effects of brain damage caused by dementia and Parkinson鈥檚 disease, for example. And end-of-life decisions have been informed by neuroscience evidence of consciousness, while others have turned to it to help prove the existence of injuries such as pain and the lifelong effects of childhood trauma.聽

鈥淏ut despite the hype, how people behave is, for the moment, still more persuasive for courts than what we can see on brain scans.鈥 She adds that 鈥渢he real difference neuroscience is likely to produce over the next few years is that the community鈥檚 intuitive responses, whether or not a person should be held responsible for actions, whether they are telling the truth about pain and suffering, is also likely to change as science informs community opinions on these things鈥.聽

Her view is shared by Dr Allan McCay (PhD(Law) 鈥13), a lecturer in Criminal Law at the University of Sydney and senior researcher at the Centre for Agency Values and Ethics (CAVE) at Macquarie University.聽

He says 鈥渢he emerging field of neurolaw raises so many ethical and legal issues that it is important that we be aware of the direction the courts are moving in鈥.聽

The Australian Neurolaw Database will be a vital resource in doing so, and plans are underway to widen its scope. The researchers are looking to partner with international projects in the next phase of the project, to develop an integrated global research database for neurolaw.

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