Exam Revision Flashcards
Psychology
A science that studies behaviour and mental processes of human beings.
Neutrotransmitters
Chemical messengers released by the axon that travel across the synapse (a gap) to neighbouring neurons.
Spacial neglect
Damage to one hemisphere of the brain that results in loss of awareness for the contralateral (opposite side) of the body.
K-complexes
Single sharp spikes in a low-voltage series of brain waves.
Sleep talking
A common sleep phenomenon whereby the sleeper talks in their sleep. Generally, they don’t make sense although some sleepers will hold conversations.
Microsleeps
When a sleep deprived person falls into a quick sleep that lasts for seconds. Micro sleeps can have significant consequences.
Lucid dreams
Being able to control your dreams can be enlightening and empowering experience. You realise that you are dreaming and you can train yourself to control your dreams.
Mass murderer
A person who kills many people in a single event or very short period of time.
Weapon focus
The presence of a weapon in a situation has been shown to influence the memory of the event. Our focus goes to the weapon instead of the situation.
Contralateral
They control the opposite sides of the body.
Organised killer
They have a:
- carefully selected location
- the victim is carefully selected
- the location is isolated and not easily observed.
- planned
Pseudoscience
It does not follow a scientific method, it appeals to people’s beliefs or faiths. It may have religious or magical overtones. It is a fake science.
Cerebrospinal fluid
The fluid that surrounds and protects the brain.
Change blindness
When objects around you change without you realising.
Spindles
Short bursts of high frequency activity in brain waves.