Showing posts with label motivation/reward. Show all posts
Showing posts with label motivation/reward. Show all posts
Friday, February 17, 2023

The touch sensitive nerve cells that make mice (and probably us) horny.

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From Elias et al. (open source) in the journal Cell:   Highlights • Activation of Mrgprb4-lineage touch neurons induces lordosi...
Monday, February 13, 2023

An fMRI marker of drug and food craving

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Koban et al. identify an fMRI-based neural signature of craving that is common to both food and drugs, predicts self-reported craving, disti...
Wednesday, June 15, 2022

The brain signature of choosing to accept pain in exchange for future reward

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From Coll et al. :  Significance We often willingly experience pain to reach a goal. However, potential pain can also prevent reckless acti...
Monday, January 17, 2022

Different circuits in the brain for reward seeking and novelty seeking.

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Work by Ogasawara et al. is noted by Peter Stern . Novelty seeking is a key feature of intelligent behavior and adaptive cognition. Howev...
Monday, April 12, 2021

Why does passion matter more in individualistic cultures?

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Tsai does an interesting commentary   (open source) on work noted in MindBlog's recent post on an article by Li et al.  Some clips: O...
Friday, May 01, 2020

How do cognition-enhancing drugs work?

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Westbrook et al. do experiments with drugs influencing dopamine levels that suggest that cognition-enhancing drugs may act at the motivatio...
Wednesday, January 01, 2020

Increased emotional reactivity in men with high hair testosterone concentrations.

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As I was scanning the table of contents of the latest issue of the journal "Social Cognitive and Affective Neuroscience" the artic...
Thursday, February 23, 2017

Scientific curiosity counters politically motivated reasoning.

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Jasny points to work by Kahan et al.  (open source) showing that science curiosity (of the sort shown by MindBlog readers!) promotes open-m...
Wednesday, December 14, 2016

Why does time fly when you’re having fun? Dopamine neurons…

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Soares et al. find by observing timing behavior in mice that dopaminergic neurons control temporal judgments on a time scale of seconds. O...
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Wednesday, November 23, 2016

The teenage brain and the pleasure of “likes”

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Rabin points to work by Sherman et al. showing that positive feedback given to a teenager's post on social media ('likes') sti...
Monday, November 21, 2016

Sex differences in brain regulation of aggression

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Interesting work from Terranova et al. , done with hamsters, and almost certainly applicable to us humans. Here is their summary of the sig...
Tuesday, October 25, 2016

Issues or Identity? Cognitive foundations of voter choice.

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This open source article in Trends in Cognitive Sciences by Jenki and Huette is worth a look. I pass on the summary and one figure. Vot...
Wednesday, July 06, 2016

Why we become more cautious with age.

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Rutledge et al. find that the decrease in risk-taking that occurs on aging may be related to dopamine-modulated changes in Pavlovian approa...
Thursday, June 30, 2016

Cognitive fatigue increases impulsivity.

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Sort of makes sense.. Blain et al. show that if you use your lateral prefrontal cortex (LPFC) for control process required for an extended ...
Friday, April 15, 2016

Brain correlates of how the risk taking of others influences our own risk taking

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From Suzuki et al. , another upstairs/downstairs story. Risk is represented in the caudate nucleus (downstairs), the risk activity of others...
Tuesday, March 15, 2016

Our brains remember the good stuff.

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Anderson et al. show how our brains are attracted to items that have pleased us in the past, even if they are no longer relevant. People in...
Wednesday, October 07, 2015

Methionine, an amino acid, enhances recovery from cocaine addiction.

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Wright et al. use a mouse model to show that the common amino acid methionine - which can serve as a methyl group donor for the DNA methyla...
Monday, August 03, 2015

Brain correlates of the impatience of adolescents.

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Teens and young adults show greater impulsivity than children and adults, reflected by increases in emergency room visits, accidents from dr...
Tuesday, July 28, 2015

Dopamine and subjective well-being

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Dolan and collaborators note influences of dopamine on emotion and decision making that are distinct from its known role in learning.: The...
Friday, July 17, 2015

Four books from Edge.org's summer reading list.

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I pass on links to four books that I'm very tempted to buy and read: Mindware: Tools for Smart Thinking - Richard E. Nisbett A Be...