Summary
Summary A Level Biopsychology Notes *2022 adaption
- Institution
- AQA
AQA A Level Psychology A Biopsychology summary notes as per the 2022 examination
[Show more]
Seller
Follow
Content preview
BIOPSYCHOLOGY ADVANCED INFORMATION 2022THE NERVOUS • Specialised network CNS: brain and spinal cord.
SYSTEM of cells. PNS: sends info to the CNS from the
• Primary internal outside world and transmits messages
communication from the CNS to muscles and glands
system. (made up of SNS and ANS).
• Based on electrical SNS: transmits info from receptor cells
and chemical signals.in sense organs to the CNS and
• receives info from the CNS that directs
Function is to collect,
process, respond to muscles to act.
info from the ANS: involuntarily transmits info to
environment and and from organs (made up of SNS and
coordinate organs PNS).
and cells. SNS: “fight or flight” (increases heart
rate, dilates pupils and inhibits
digestion during a stressful situation).
PNS: “rest and digest” – returns the
body to normal physiological
functioning after “fight or flight”.
NEURONS • Nerve cells that Sensory: carry messages from the PNS
process and transmit to the CNS.
messages through Sensory neurons have LONG dendrites
electrical and and SHORT axons.
chemical signals. Relay: connect sensory neuron to
• Sensory, relay or motor and other relay neurons.
motor. Relay neurons have SHORT dendrites
• When a neuron is and SHORT axons.
activated by a Motor: connect the CNS to effectors –
stimulus, the neuron muscles and glands.
becomes positively Motor neurons have SHORT dendrites
charged causing and LONG axons.
action potential to
occur.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller hannahhilton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £3.06. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53920 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now