• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

How Biological Factors Affect Cognitive Processes

Extracts from this document...


´╗┐How Biological Factors Affect Cognitive Processes Biological Factors: A factor is a substance necessary to produce a result or activity in the body. The term is used when the chemical nature of the substance is unknown. Biological factors are the substances that bring results in biological systems. For example in the human system, red blood cells are biological factors. Cognition: all the mental activities associated with thinking, knowing, remembering and communicationg Cognitive Processes: Perception, thinking, problem solving, memory, language attention ________________ Explain how biological factors (these studies) affect Cognition (memory) Alzheimer?s Disease: A progressive and irreversible brain disorder characterized by the gradual detioration of memory, reasoning, language and physical functioning BIOLOGICAL CAUSES COGNITIVE IMPACT 1. Damage to the neurotransmitter acetylcoline 2. ...read more.


Speaking and understanding of language areas also see damage: Wernickes are and Broca?s area. Martinez and Kesner Study: Tested the effect of acetylcholine on memory 1. Showed a cause and effect relationship between acetylcholine (biological) and memory formation (cognitive) in rats. HM Study: Milner and Scoville (1957) 1. After having surgery for his seizures, HM was missing part of his hippocampus?an area known for it?s use in memory. Without part of his hippocampus (biological), he was unable to form new memories (cognitive); he had anterograde amnesia. Cortisol and Memory: Lupien Study 1. Studied the link between cortisol, a stress hormone (biological), and memory. ...read more.


People encoded irrelevant information to them 3. Given a perspective to remember details, 7% more on 2nd perspective Darly and Gross: if cognitive effects of labeling change how we perceive others through socioeconomic status 1. Showed a video with two different socioeconomic groups 2. Low socioeconomics was treated to lower scores than high socioeconomics Atkinson and Shiffrin (1968): multistore memory model describers memory as information flowing through a system 1. Sensory-> STM -> **LTM **if rehearsal 2. Sensory -> STM: only encode if we pay attention to it Baddeley and hitch (1974): Working memory model believes that STM is a multiple stage process 1. Central exec.: controls slave system; attentional control 2. Episodic buffer: temporary and passive display store 3. Phonological loop: receive info from memory in the form of auditory ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our International Baccalaureate Psychology section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Psychology essays

  1. Testing the effect of different types of music on memory.

    / 20 = 214 / 20 = 10.7 words On average, participants recalled 10.7 words out of 20 with rock music playing in the background. Standard Deviation X means each individual value. deviation of the mean N-1 degrees of freedom.

  2. Cognitive and Biological factors influence behavioural change

    Genie was able to acquire language, but lacked the normal linguistic abilities, which suggests that there is a 'sensitive period' for language acquisition, rather than a 'critical period' as proposed by Lenneberg. The case study was based on a single individual, which is not a representative sample.

  1. Examine how one or more factors (biological, cognitive, socio-cultural) influence either one specific anxiety ...

    stress reactions will eventually fade out due to what is called habituation, which is getting used to the stimuli. It was thus considered that the power of the cues that trigger traumatic memories gradually diminishes. However, while providing a practical solution for the patients suffering from PTSD, this experiment does

  2. This essay will evaluate flashbulb memory on how emotion can affect cognitive process.

    They concluded that fear does impact the clarity of memory recall. The heightened or diminished arousal/emotion can lead to more inaccurate recall, whereas as moderate stress or anxiety improves recall. This concludes that too much fear can divert attention away from the essential aspects of the situation much like with

  1. Explain how biological factors may affect one cognitive process.

    Also, H.M could no longer store new memory (anterograde amnesia). Most of his memories from before the operation remained intact (partial retrograde amnesia). He could not transfer new semantic and episodic memories (explicit memory) into LTM although he could form new long tern procedural memories (implicit memories).

  2. Schema Theory and Theories of Cognitive Processes

    It shows that memory recall is influenced by our pre-existing knowledge, or our schema, which is influenced by our cultural background. Then again, lots of researchers have supported the idea that schemas affect cognitive processes, such as memory. The theory seems quite useful for understanding how people categorize information, interpret stories, and make inferences, among other things.

  1. Explain how biological factors may affect one cognitive process.

    seen her and therefore every time she walks into the room he greets her as if they haven?t seen each other in years., showing that his implicit memory is intact Seeing that he was a musician his ability to play the piano and conduct music are still intact because before

  2. Psychology biological level of analysis revision

    He performed a test on patients with severe epilepsy. He chose patients who had their corpus callosum cut in order to cure their epilepsy. It was found that after the surgery, the patients with ?split-brain? functions started some unusual activity. The aim was to see if the brain had different function, different levels of consciousness and memory.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work