MaryAnn Noonan Profile
MaryAnn Noonan

@NoonanMP

Followers
230
Following
53
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7
Statuses
37

Neuroscientist at @OxExpPsy and psychology tutor @wadhamoxford.

Joined January 2018
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@NoonanMP
MaryAnn Noonan
2 years
9/In summary, both local and global reward learning changes during adolescence and are both linked to (slightly different subdivisions of) lateral prefrontal cortex in humans and macaques.
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@NoonanMP
MaryAnn Noonan
2 years
8/ … Phew, that tour de force does not even cover our big-data HCP neuroanatomy analysis or human neuropsychology results. For these and a fuller description of the above check out the paper.
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@NoonanMP
MaryAnn Noonan
2 years
7/Strikingly, the negative GRS effect contrasted with both previous studies and our own analysis of GRS effects in a large sample of non-human primates (same paradigm, same analysis), pointing towards a potentially meaningful species difference.
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@NoonanMP
MaryAnn Noonan
2 years
6/Interestingly, the influence of the global reward state (GRS) was negative and became more negative with age, meaning young adults, more than adolescents, were less likely to persist with an option if there were other valuable alternatives.
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@NoonanMP
MaryAnn Noonan
2 years
5/We showed that the influence of both local and global reward learning was greater in adults compared with adolescents. As people get older, they more strongly associate local rewards with actions.
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@NoonanMP
MaryAnn Noonan
2 years
4/To look into this this we used the same learning task originally developed in non-human primates to dissociate learning from immediate reward (local) and the overall reward state (global) and tested a large online sample of adolescents and young adults.
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@NoonanMP
MaryAnn Noonan
2 years
3/We know from monkey work that lateral prefrontal cortex is important for learning the consequences of our choices. Interestingly, those brain regions are some of the last to mature, suggesting that the supported learning mechanisms may continue to change during adolescence.
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@NoonanMP
MaryAnn Noonan
2 years
2/People often assume that teenagers struggle to learn from the consequences of their actions. But how exactly do adolescents differ from adults when they learn about what actions are good and what actions are bad? And how is that rooted in brain development?.
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@NoonanMP
MaryAnn Noonan
2 years
1/We are excited to share our recent @PLOSBiology paper: Local and global reward learning in the lateral frontal cortex show differential development during human adolescence Team effort by @mkwittmann @mscheuplein @SophieGGibbons +big thanks to @acmedsci.
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@NoonanMP
MaryAnn Noonan
3 years
RT @Alexandra_Pike: A bunch of @StokesNeuro's trainees (from many points in time) put together a list of '10 simple rules for a supportive….
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MaryAnn Noonan
3 years
RT @Malte_Woestmann: Our article "Ten simple rules to study distractor suppression“ is out in Progress in Neurobiology: .
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MaryAnn Noonan
3 years
RT @DrJoCutler: What a line up for day 1 of #CPPC! First day of in-person conference talks including - @lukejchang, @OlgaDalMonte1, @xiaosi….
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@NoonanMP
MaryAnn Noonan
3 years
TWO NEW STUDIES from my lab asking how decision-making strategies are linked to mental health in young people (11-17 yrs). Follow the links for more information AND
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MaryAnn Noonan
4 years
RT @fmrib_karla: Home working, shielding and anxiety around health are new to many of us, but not to those with compromised immune systems.….
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MaryAnn Noonan
4 years
Second, with @mkwittmann @mscheuplein @SophieGGibbons we show changes in credit assignment across adolescence as predicted by regional delays in grey matter maturation.
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MaryAnn Noonan
4 years
It has been a busy start to the year! First, @SophieGGibbons and I have a preprint out suggesting that OFC subregions mature at different rates across adolescence
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@NoonanMP
MaryAnn Noonan
4 years
RT @wadhamoxford: What happens in the brain when we make decisions? Wadham Lecturer MaryAnn @NoonanMP describes her studies exploring the….
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MaryAnn Noonan
5 years
Work-Life balance: On my days with the kids, I find myself in one of two states during the peaceful post-lunch nap hour: 1. Frantically checking emails/making figures/writing papers or 2. Asleep on Small's floor. I'd call that balanced!.
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@NoonanMP
MaryAnn Noonan
5 years
RT @fmrib_karla: Is this a perfect storm? Or is it a reckoning that has been staring us in the face for decades?.
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@NoonanMP
MaryAnn Noonan
5 years
Under normal circumstances I'm a bit twitter-shy. Perhaps fearful of falling into the void or just shouting at it. But as daily-life is now just me, Tiny, Small, Husband & (virtual) parents I'm going to make more of an effort with you lot. You're welcome!.
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