<p>This digitised material is free to access, but contains information or visuals that may:</p><ul><li>include personal details of living individuals</li><li>be upsetting or distressing</li><li>be explicit or graphic</li><li>include objects and images of objects decontextualised in a way that is offensive to the originating culture.</li></ul>By viewing this material, we ask that you use the content lawfully, ethically and responsibly under the conditions set out in our <a href="https://wellcomecollection.cdn.prismic.io/wellcomecollection/d4817da5-c71a-4151-81c4-83e39ad4f5b3_Wellcome+Collection_Access+Policy_Aug+2020.pdf">Access Policy</a>.

'Early learning: characteristics'

Galleries and Reading Room

Library

Shop

Café

Due to essential maintenance, we won’t be able to retrieve items from our closed stores over the weekend. Please submit requests for Monday 20 April by 10:00 on Friday 17 April. The library will remain open as usual. Thank you for your understanding.

We're running paid user research studies to improve Wellcome Collection online

Take part in research

Hebb; Senden; Lorenz 1937; Bernstein 1952.

Content advisory

'Early learning: characteristics'

Licence and re-use