Complete Notes on Psychopathology for AQA A-Level Paper 1

Defining Abnormality

Ever wondered what makes something "abnormal" in psychology? There are four main ways to define it, each with strengths and limitations.

Statistical infrequency defines abnormality as behaviour that falls in the extreme 2.5% of the population. While objective and straightforward, it risks overlooking common problems like depression because they aren't statistically rare.

Deviation from social norms focuses on behaviours that violate society's unwritten rules. This approach recognises that what's normal varies between cultures and situations, but cultural relativism makes it difficult to apply universally.

Failure to function adequately looks at someone's inability to cope with everyday demands. This takes into account subjective experiences but can lead to misdiagnosis as symptoms present differently in different people.

Deviation from ideal mental health uses Jahoda's principles (self-actualisation, environmental mastery, resistance to stress). It's the only positive, holistic approach, though some argue its criteria are unrealistically high.

Think about it: When Bina shows depression symptoms and can't function at work, different definitions would classify her differently. Statistical infrequency might see her as "normal" since depression is common, while failure to function and deviation from social norms would classify her as "abnormal."

Understanding OCD

Obsessive Compulsive Disorder (OCD) affects different aspects of a person's functioning. You'll spot it through three key components that work in a vicious cycle.

The obsessive component involves persistent, unwanted thoughts that trigger anxiety. These cognitive symptoms include obsessions and hyper-vigilance. The compulsive component manifests as repetitive behaviours performed to reduce anxiety, including avoidance and social impairment. The disorder element often includes emotional symptoms like anxiety and depression.

The biological approach to OCD suggests physical causes within the body:

• Genetic factors may create brain malfunctions (though studies only show correlation)
• Biochemical factors particularly involving serotonin (a neurotransmitter)
• Neurological factors suggesting physical brain differences

This biological perspective leads to treatment with selective serotonin reuptake inhibitors (SSRIs), which have shown better results than placebos. However, these drugs have significant limitations - they're expensive, require long-term use, carry social stigma, and can cause severe side effects.

Real-world example: Consider Gavin, who describes intrusive thoughts about his family being in danger from house fires. His compulsion to check electrical sockets six times shows the classic obsession-compulsion pattern of OCD. Twin studies suggest OCD is 45-65% inherited, meaning both genetic and environmental factors play important roles.

OCD in Practice

Looking at real cases helps us understand how OCD manifests. When someone like Gavin experiences obsessive thoughts about family danger, we see key characteristics of the disorder in action.

Obsessions appear as persistent thoughts that cause anxiety - like Gavin's fear of his family being trapped in a house fire. These thoughts grip him and create significant distress. Compulsions emerge as repetitive behaviours meant to reduce this anxiety, such as Gavin's need to press each socket switch exactly six times. This ritualistic behaviour temporarily calms him but ultimately reinforces the obsessive-compulsive cycle.

The origins of OCD seem to involve both genetic and environmental factors. Research with 4,000+ twin pairs reveals an inheritance factor between 45-65% for OCD. This means that while genetics play a substantial role, environmental influences must account for the remaining 35-55% of variance in who develops the disorder.

Interesting insight: The twin study shows OCD isn't simply "in your genes" or just "caused by your environment" - it's a complex interaction of both factors. This explains why two people with similar genetic backgrounds might have different outcomes regarding OCD development.

Understanding Phobias

Phobias are more than just fears - they're intense, irrational responses that significantly impact daily life. You'll recognise phobias through specific patterns of reaction.

The emotional components include panic, out-of-proportion fear, and irrational fear. Behaviourally, people with phobias show avoidance of the feared object or situation. Cognitively, they develop irrational beliefs and selective attention toward the feared stimulus.

The behavioural approach explains phobias through learning. In classical conditioning, a harmless stimulus (like a spider) becomes linked with danger, creating a conditioned fear response. Operant conditioning maintains phobias through negative reinforcement - when avoiding the feared object reduces anxiety, the avoidance behaviour is strengthened. This theory has experimental support, though it doesn't explain phobias that develop without direct exposure.

Treatment approaches include systematic desensitisation and flooding. Systematic desensitisation combines relaxation training, a fear hierarchy, and gradual exposure. The person learns to remain calm while progressively facing greater fears. Flooding involves immediate, intense exposure to the feared stimulus until anxiety subsides, though it's ethically controversial and rarely used today due to potential harm.

Remember: Systematic desensitisation works through reciprocal inhibition - the principle that you can't be anxious and relaxed simultaneously. By maintaining relaxation during exposure, you can override the fear response!

Treating Phobias in Practice

Let's see how systematic desensitisation would actually work for someone with a phobia. For a six-year-old like Tommy who fears birds, the treatment follows specific steps designed to gradually overcome his fear.

First, Tommy would learn relaxation techniques that he can use whenever he feels anxious about birds. These might include deep breathing, muscle relaxation, or visualising calm places. Once he masters these techniques, the next step involves creating a fear hierarchy - a ranked list of bird-related situations from least scary (perhaps looking at cartoon birds) to most frightening (being near real birds).

The treatment then progresses through gradual exposure. Tommy would start with the least feared situation while practising his relaxation techniques. Only when he feels completely comfortable at one level would he move to the next, slightly more challenging scenario.

This approach works through reciprocal inhibition - the principle that two opposing emotional states cannot exist simultaneously. Since Tommy can't be both relaxed and anxious at the same time, the relaxation response gradually replaces the fear response to birds.

Practical tip: When creating your own fear hierarchy, be specific and include at least 10 steps between your mildest fear and your most intense fear. The smaller the steps, the more manageable the process becomes!

Understanding Depression

Depression affects multiple aspects of a person's functioning, creating a complex pattern of symptoms. You'll recognise it through specific emotional, behavioural, and cognitive changes.

Emotional symptoms include depressed mood, lack of pleasure, reduced self-worth, and feelings of sadness. Behavioural signs manifest as lack of energy, changes in appetite, and altered sleep patterns. Cognitively, depression appears through inability to concentrate, occasional suicidal thoughts, and persistent negative thinking.

The cognitive approach to depression focuses on how thinking patterns contribute to and maintain the condition. Ellis's ABC model suggests that an Activating event leads to a Belief, which then creates a Consequence (emotional response). Beck's negative triad identifies three areas of negative thinking: about oneself, the future, and the world.

Cognitive Behavioural Therapy (CBT) applies these principles to treatment by helping people identify and change negative thought patterns. Research supports its effectiveness, showing that reducing negative thinking can alleviate depressive symptoms. However, critics note that faulty cognition might be a result rather than a cause of depression, and focusing too much on thinking patterns risks blaming the patient for their condition.

Key insight: Depression is more than just feeling sad - it's a complex condition affecting how you think, feel, and behave. Recognising these interconnected symptoms is crucial for effective treatment.