Exam revision Flashcards
Which hemisphere of the brain is connected to logical thinking?
The left hemisphere
When exposed to daylight, what is released?
Melatonin
What is REM sleep?
Rapid Eye Movement
Period of sleep characterised by rapid eye movement, and increased brain activity. Sleep is lighter
What is NREM?
Non-Rapid Eye Movement
Almost the reverse of REM characterised by slow and regular heartbeat and breathing rate and relaxed limbs. A deeper sleep
How are brain waves measured during sleep?
With an Electromyogram (EMG Machine)
What is Lucid Dreaming?
The ability during dreaming to recognise that you are dreaming and subsequently take control of the dream and/or wake yourself up
The storyline content of a dream is known as what?
Manifest content
Hidden meaning is known as latent content
Freud believed that dreams are…
Full of symbolism and hidden meaning, subconscious desires
Common dream activities are…
- running. -talking
- jumping. -flying
- sitting. -falling
What is Wish fulfilment?
Sigmund Frued’s theory that all dreams represent hidden subconscious desires
What is the problem solving dream theory?
The theory that dreams are your brain interpreting and trying to solve problems
What is the activation-synthesis theory of dreams?
The theory that dreams are simply neutrons firing randomly, and the brain attempting to decipher them
How do neutrons receive messages?
Via synapses
What makes up the CNS (central nervous system)?
The brain and the spinal cord
The PNS (Peripheral Nervous System) is made up of what?
Outlying limbs and any neuron not in the CNS
Sensory neutrons transmit what?
Sensory information
Motor neurons control what?
Muscles and movement
How do interneurons enable communication between the CNS and PNS?
They create circuits between the two
What happens at a synapse?
Chemicals are released that allow information to pass between neurons
What is Acetylcholine?
A neurotransmitter responsible for movement and memory
What is dopamine?
A neurotransmitter responsible for movement, pleasure and learning
What is serotonin?
A neurotransmitter responsible for sleep and emotions
What is noradrenalin?
A neurotransmitter responsible for emotions
what is GABA?
A neurotransmitter responsible for motor control and anxiety
How can dendrites be reduced?
With stress, drugs, or not utilizing your brain
How can dendrite connections be strengthened?
With memory and learning exercises
What is the frontal lobe responsible for?
Personality, emotions, inhibitions, judgement and motor control
What is the occipital lobe responsible for?
Vision and memory