Chapter 7A

Question 1

sleep deprivation

Answer 1

a state caused by inadequate quantity and or quality pf sleep. bot are equally important

Question 2

sleep quantity

Answer 2

sleep quantity refers to the amount of sleep/hours of sleep, objective measures

Question 3

sleep quality

Answer 3

sleep quality refers to the type of sleep experiences, and any sleep disturbances. subjective measures

Question 4

two categories of sleep deprivation

Answer 4

• total/full deprivation
• partial sleep deprivation

Question 5

total/full sleep deprivation

Answer 5

involves having no sleep within a 24 hour period or across several days

Question 6

partial sleep deprivation

Answer 6

involves having less sleep that what is normally required. most sleep disorders are associated with partial sleep deprivation that occur routinely over a prolonged period

Question 7

the effects of sleep deprivation

Answer 7

• Affective
• behavioural
• cognitive

Question 8

affects effects of sleep deprivation

Answer 8

Affective functioning: emotional functioning and responses

Question 9

affective functioning examples

Answer 9

• irritability
• inappropriate emotional reactions (more snappy, overact to small things)
• depressed mood
• more anxious
• inaccurately perceive others emotions

Question 10

behavioural effects of sleep deprivation

Answer 10

Behavioural functioning: ability to control behaviours and reactions

Question 11

behavioural effects examples

Answer 11

• reduced motor control (clumsiness)
• slow reaction times (reduced speed)
• fatigue/lack of energy
• sleep inertia: performance impairment that occurs immediately after awakening
• excessive sleepiness
• inattentiveness

Question 12

cognitive effects of sleep deprivation

Answer 12

Cognitive functioning: ability to control cognitions/thoughts

Question 13

cognitive effects examples

Answer 13

• decreased ability or inability to concentrate, reduced alertness
• high error rater on cognitive task (math problems, logical reasoning)
• reduced ability to cope with and make decisions under stress
• illogical or irrational thoughts
• increased errors in simple, repattitve task
• impairments on learning and memory task

Question 14

sleep debt

Answer 14

sleep that is owed and needs to be made up. Described as the difference between
the amount of sleep needed to function at an optimal level and the amount a person actually
gets.
of diseases and health problems, including
obesity, diabetes and various cardiovascular diseases. It is also associated with an increased
risk of accident and injury in people of all age groups.

Question 15

blood alcohol concentration (BAC)

Answer 15

A measure of how much alcohol is in a person’s
bloodstream

Alcohol is a depressant drug - it will slow down the
nervous system, decrease alertness, concentration,
reflexes etc
* The higher the BAC, the more a person’s cognition
and affect might be impaired (an ASC)
The effects of higher BAC’s are similar to sleen
deprivation
- 24 hours of sleep deprivation has effects on performance equivalent to or worse than an individual
with a BAC of 0.10%.

Question 16

Cognitive effects of sleep deprivation compared to BAC

Answer 16

• Cognition – the ways individuals process and understand information from the world.
  Cognitive impairments can include:
• slower mental processes, such as reduced speed in processing and understanding information
• decreased ability to reason and problem solve
• greater difficulty making sense of the world
• reduced ability to make decisions quickly and effectively
• cognitive distortions

Question 17

Affective effects of sleep deprivation compared to BAC

Answer 17

sleep deprivation negatively affects someone’s mood/affect, making them more irritable or sensitive.
* Alcohol, on the other hand can have a range of effects on
someone’s emotions, making them feel happy and
excited, or alternatively more angry or sad.
* While sleep deprivation and alcohol consumption can
have different effects, they both alter someone’s
affective functioning when compared to how they might
typically experience emotions.