Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2005 1
2010 4
2011 2
2012 3
2013 1
2014 4
2015 2
2016 2
2017 2
2018 2
2019 3
2020 4
2021 14
2022 2
2023 2

Text availability

Article attribute

Article type

Publication date

Search Results

43 results

Results by year

Filters applied: . Clear all
Page 1
Prosocial and Aggressive Behavior: A Longitudinal Study.
Hay DF, Paine AL, Perra O, Cook KV, Hashmi S, Robinson C, Kairis V, Slade R. Hay DF, et al. Among authors: perra o. Monogr Soc Res Child Dev. 2021 Jun;86(2):7-103. doi: 10.1111/mono.12427. Monogr Soc Res Child Dev. 2021. PMID: 33973244 Free PMC article.
Healthcare use by children and young adults with cerebral palsy.
Carter B, Bennett CV, Jones H, Bethel J, Perra O, Wang T, Kemp A. Carter B, et al. Among authors: perra o. Dev Med Child Neurol. 2021 Jan;63(1):75-80. doi: 10.1111/dmcn.14536. Epub 2020 Apr 20. Dev Med Child Neurol. 2021. PMID: 32314347 Free article.
Attention engagement in early infancy.
Perra O, Gattis M. Perra O, et al. Infant Behav Dev. 2012 Dec;35(4):635-44. doi: 10.1016/j.infbeh.2012.06.004. Epub 2012 Sep 13. Infant Behav Dev. 2012. PMID: 22982262
Cerebral palsy in twins and higher multiple births: a Europe-Australia population-based study.
Sellier E, Goldsmith S, McIntyre S, Perra O, Rackauskaite G, Badawi N, Fares A, Smithers-Sheedy H; Surveillance Of Cerebral Palsy Europe Group And The Australian Cerebral Palsy Register Group. Sellier E, et al. Among authors: perra o. Dev Med Child Neurol. 2021 Jun;63(6):712-720. doi: 10.1111/dmcn.14827. Epub 2021 Feb 2. Dev Med Child Neurol. 2021. PMID: 33533028 Free article.
Precursors to aggression are evident by 6 months of age.
Hay DF, Waters CS, Perra O, Swift N, Kairis V, Phillips R, Jones R, Goodyer I, Harold G, Thapar A, van Goozen S. Hay DF, et al. Among authors: perra o. Dev Sci. 2014 May;17(3):471-80. doi: 10.1111/desc.12133. Epub 2014 Feb 25. Dev Sci. 2014. PMID: 24612281
43 results