Brain and Behaviour: Sleep (PRE-READING)

What did Welsh et al. (1995) find about the SCN?

Showed that cultured SCN neurons from rats displayed individual, independent circadian rhythms.

What did Rechtschaffen et al. (1983, 1989) find about Sleep Deprivation?

Conducted sleep deprivation experiments on rats and found that sleep deprivation led to severe health issues and death, while control animals remained healthy

What did Budka et al. (1998) find about Insomnia?

Observed that patients with fatal familial insomnia exhibited:

• Weight loss

• Memory loss

• Autonomic dysfunction

What did van der Helm et al. (2010) find about Sleep Deprivation?

Reported that even one night of sleep deprivation impairs the ability to recognize emotional facial expressions

What did Mednick et al. (2003) find about sleep and performance?

Showed that a nap including slow-wave sleep maintained performance on a visual discrimination task, while no nap led to deterioration.