Arthur Caplan is professor of bioethics and director of medical ethics at New York University in New York City.
Arthur Caplan
Professor
New York University
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Heart matters
Rather than make blanket decisions, doctors must gauge the level of cognitive impairment in individuals with autism when considering them for organ transplants, says bioethicist Arthur Caplan.
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Most studies of neurological disorders in mice erroneously treat multiple samples from a single animal as independent replicates, according to a new analysis. But scientists and journals can take steps to curb this practice.

Sounding the alarm on pseudoreplication: Q&A with Constantinos Eleftheriou and Peter Kind
Most studies of neurological disorders in mice erroneously treat multiple samples from a single animal as independent replicates, according to a new analysis. But scientists and journals can take steps to curb this practice.
Psychedelics meta-analysis retracted after authors request ‘significant changes’
While working on a similar analysis last year, an independent researcher spotted inconsistencies in the now-retracted paper.

Psychedelics meta-analysis retracted after authors request ‘significant changes’
While working on a similar analysis last year, an independent researcher spotted inconsistencies in the now-retracted paper.
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Some dopamine neurons signal default behaviors to reinforce habits
Movement-sensing neurons that target the striatum influence a mouse’s choice of action by favoring routine.