Null and noteworthy

Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

The true meaning of a null result

This edition of Null and Noteworthy highlights results that reveal the difficulty in drawing definitive conclusions from data, including new findings about epidurals that contradict several others and an apparent null result on sex differences that may derive from “circular logic.”

By Laura Dattaro
14 August 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Prenatal exposures; Angelman trial suspension; autistic adult well-being

This month’s issue of the Null and Noteworthy newsletter breaks down some negative results involving prenatal exposures, an experimental treatment for Angelman syndrome, and the role that age at autism diagnosis plays in subsequent outcomes, and more.

By Emily Harris
17 July 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: Modified MRI; father findings

This month’s newsletter tackles null findings from an attempted replication of a “revolutionary” MRI approach and an analysis of family genetics.

By Emily Harris
22 June 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.
Spectrum Microphone

Null and Noteworthy: Arbaclofen results; another oxytocin edition

New data from clinical trials of arbaclofen and oxytocin underscore the murkiness of null results. Plus, researchers seek clarity on the neurodevelopmental effects of oxytocin during childbirth.

By Laura Dattaro
17 May 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.
Spectrum Microphone

Null and Noteworthy: Reader response; cerebrospinal fluid; connectivity subgroups

In this edition of Null and Noteworthy, researchers upend early interventions and diagnostic boundaries.

By Laura Dattaro
18 April 2023 | 4 min read
Computer-generated image of mountains against a black background.

Detecting a signal amid noise in autism early-intervention research

Studies of behavioral treatments for autism are complex and can easily be misunderstood. Here we provide some guidance.

By Isabel Smith, Kate Tsiplova, Wendy Ungar
28 March 2023 | 5 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: Registered reports; motor measurements; viral DNA

In this edition of Null and Noteworthy, Spectrum talks with a Nature editor about the journal’s move to publish more null results.

By Laura Dattaro
16 March 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: Busting biomarkers; going after GABA; reproducibility illusion

In this edition of Null and Noteworthy, scientists find little to be excited about in research on biomarkers for neurodevelopmental conditions.

By Laura Dattaro
16 February 2023 | 4 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.
Spectrum Microphone

Null & Noteworthy: Intervention flops; neural noise; gender care

This edition takes aim at the autism-intervention evidence base with a slew of null results, plus findings that challenge a prevailing autism brain theory.

By Laura Dattaro
18 January 2023 | 5 min read
Illustration of hybrid objects: part light bulb, part lab vial, some in blue and some in red to signify null and replicated results.

Null and Noteworthy: Reinforcing rigor; medication medley

This month’s newsletter highlights findings on the use of three medication types during pregnancy.

By Emily Harris
14 December 2022 | 4 min read

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Research image of neurons in the fly’s ventral nerve cord.

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