The Biological approach Flashcards
Monozygotic twins
Twins born from the same fertilised egg sharing 100% of each others genes.
Dygotic twins
Twins born from two fertilised eggs that share 50% of each others genes
Concordance
The extent to which twins are similar in their decisions, characteristics and behaviour
Genotype
The actual biologic genetic makeup people have that’s expressed.
Such as, your natural eye colour
Phenotype
A characteristic that is influenced by the environmental factors.
Such as, one twin might be taller than another because they’ve gotten more sleep or are more active than the other.
Natural selection
The theory proposed by Charles Darwin. It states that characteristics that makes a creature more likely to survive and mate will be inevitably passed on whilst hinderenes will be less likely to survive. Therefore advantageous traits survive typically.
Assumptions are…
. Everything psychological can be explained by a biological process
. Research should be conducted though scientific, objective means.
It has a _____________ view of behaviour
Determinist
Is it on the nature or nature side of the argument
Nature mostly however it could be interpreted as nurture as well
There are two nervous systems, These are…
The central and peripheral nervous systems
The CNS is made up of the….
Brain and spinal cord
The PNS is made up of…
The somatic and autonomous systems
The autonomous system is made up of…
The sympathetic and parasympathetic systems
The role of the CNS is to…
Enure vital life functions continue and many other processes such as thinking, planning and problem solving. The spinal cord is also involved in reflex actions such as knee jerking
The role of the PNS is to…
Transmit messages through neurons to the whole body.