concept info evaluation Stages of sleep Sleep cycle – process by which people pass through 4 stages of sleep and REM sleep in succession several times during full sleep Stage 1 – sleep onset - Restful brainwaves – theta waves - Easily woken Stage 2 –...
concept info evaluation operant conditioning theory positive reinforcement – receiving pleasant/desired outcome - Increases likelihood of behaviour being repeated - E.g., earning money when stealing negative reinforcement – taking away...
concept info evaluation Variables Independent – variable that’s manipulated or changed by researcher Dependent – variable that is measured Operationalising variables – making them measurable and specific Extraneous variables – variables other than the IV that may...
concepts info evaluation Bystander behaviour Bystander intervention – when bystander intervenes to help someone in...
concepts info evaluation Structure and functions of brain Frontal lobe Decision making + rational thinking Impulse control Emotional processing...
concepts info evaluation D E P R E S S I O N Symptoms Low moods Not enjoying activities, you used to Low motivation Low self-esteem Poor or increased appetite Disturbance...
concepts info evaluation Key terms Input – when info from environment enters brain via senses Output – when info from memories are used in some...
concepts info evaluation brain development Forebrain high-order functional skills and complex thinking develops at 3-4 weeks of pregnancy Midbrain sensory...